Acting looks good. If you get roles of being a foreigner, policeman / armyman / thief / etc with a family, chef, magician, addict, financial con, etc then try not to let them go. May have to live away from home for this. Try to bring in some uniqueness or creativity / originality in your style as well.
You will have to be extremely extremely focused and dedicated.

Book writer – possible. If he writes on sci-fi things, sci-fi future etc, or emotional books which show deeper/darker truth of human mind, he will do well. Start writing on Saturday will be good. Will take time but will be fruitful.

Marriage – he is afraid of commitment, practicality, and hardwork required in relationship and that is the issue. Changing this mindset will be helpful.

Mother relations – ask him to not argue with mother no matter what, and be patient. Actually the relation is pure and good but only issue is argument and feeling of suffocation and both people feel like they have opposite perspective. Clear clutter from living room, keep vehicle clean and clutter-free, go on a walk with mother in the evening or early morning (early morning is best) without distractions / phones / etc in a park, and give without expecting. If possible ask both friend and his mother to do this, else any one can do it – On Monday, Take a square white paper, on that draw a yellow colour circle (don’t use compass etc) and inside the circle, use yellow to write friend’s name and mother’s name next to each other; do it on every Monday for a few months. After making new yantra, keep the old in near tree inside temple or flow it in pure running water.

Depression and anxiety – wear thick pure copper kada in right hand. Eat and drink from copper vessels, glass, bottles etc. Do surya namaskar everyday. He overthinks a lot, that should be stopped. Going for some good dance (eg Zumba) or martial arts will be great – this will help in writing also. Every amavasya, offer a bottle (whatever size is feasible) of deepa oil and incense cones to Maa Neela-Saraswati or Maa Tara (else maa Saraswati).

Legal disclaimer: This is a personal view without any assurance, and not a legal, medical, or other professional advice.

The matching of charts is fine, it is good that these 2 people got married.
Problem in the charts is on an individual level – both people have combinations for some struggle in married life. Chart of the girl shows more lessons to be learnt than the chart of the boy.
Even while getting your sister married, family must’ve faced lot of troubles and obstacles, and even back-and-forth with the boy’s family.

Your sister tries to control her husband, she tries to keep teaching him things and trying to change his morals, principles, etc. She tried to make rules for him and also wants to initiate new ways of handling money independently. This is being transformative and uncomfortable for him and the husband is taking the support of his parents. When this happens, your sister feels singled out in the house and thinks that the husband and his family are teaming up against her. Both people also have strong ego issues.
Actually your sister’s in-laws have a secondary role here because they are just participants. The troublemakers are the husband and wife. Wife tries to overpower the husband and the family steps in to save him.

It is a 2-way issue. It is advisable to resolve the issue mainly because both people have some difficulty in married in life (your sister feels like she has more trouble than the husband) – so even if you get them separated and married to someone else, they will still have to work through the same challenges all over again – until they overcome them, so why not work it out here itself?

Things to be done by your sister (irrespective of whom she is married to or how many times marriage takes place) – results will be seen from first week itself –

1. Stop trying to play the role of a teacher/ruler for the husband. Be a friend and partner. If he is wrong in something, it’s fine – even she is wrong somewhere – everyone is. If she has to change something in him, she should change it slowly, gradually, one by one, and must also respect his perspective equal to her own. Not everything in a person can be changed even if it’s wrong. Your sister can work on changing herself as well – but she keeps thinking she’s always right.

2. Pending karma of your sister is to not give free advice, give advice and freedom people – she has a tendency that people who take advice from her should compulsorily listen to her – that can never happen (Eg. even she may not listen to what I’m saying here :P). This is especially more in marriage because Jupiter is also her 7th lord. She also has to learn the karm-yog in marriage and family – fulfilling her duty but not expecting anything in return.

3. Ask her to read some good books on how compromises are the foundation of marriage, and how to make yourself the best wife instead of making your husband the best husband.

4. Wear lose clothes, especially after 4 PM.

5. Let the couple’s bedroom be open and airy, have lots of space, remove unnecessary items and electronics. Similarly let the bed also have open space on 3 sides. If possible, let the bedroom door also be wide. Bedroom should be well ventilated.

6. Your sister has paap-kartari on 7th house by Saturn and Ketu – past karma is that she has suffocated spouse and separated him from the family. Story is tending to repeat even this time, but she should not allow that. Remedy is to massage husband’s feet and calves with chameli oil every Saturday. And also offer [1 lemon mala] or [3 lemons] to Hanumanji for 8 continuous Tuesday’s every 6 months.

7. Husband must’ve collected old broken items / spares etc to make something new – he should discard that and not collect such items.

Learns slowly but retains for long. Very long term plans for everything. Less prone to take major risks frequently. Likes to see deep inside the truth of things. More mature and wiser than age. Cannot be deterred or frightened easily.
Cuts a sentence mid-way while speaking and switches to something else. Some cut or scar on arm. Inconsistent handwriting and signature. Can spend long time being “lost” in another world. Sends messages in bits (not at once). Cannot gulp big bites of food.

Please confirm.