Doubts in karma and relationship series

Doubts-

1) Combination to marry a widow.

2) If second marriage will happen will it be to a unmarried person or a widow or a divorcee?

3) How to identify a planet in 6,8,12 in special sign is a blessing or a curse?

4) If a person has problem relating to hard work he/she has lethargy or has very weak courage because 3^rd house is our courage it’s our parakram bhavan- will suggesting them going to mata bala sundari temple improve their courage?

5) Do rahu and ketu also create neech bhang raj yog?

6) Combination of rape victim?

7) In the first lecture someone asked a doubt regarding debilitated Jupiter in 5^th house and sir said if sun is exalted in the chart Jupiter debilitation is not working- but still the Jupiter debilitation will give bad effects health wise?

8) In the first lecture their was a doubt if sun and Saturn are in 4^th house which stone should one wear- sir said a stone for Jupiter but it will be in which finger ? Moon finger as it represents 4^th house?

9) Not clear with the concept of multiple marriages.

10) If a person has venus being hemmed between malefics like mars and rahu and the person goes to gym regularly and is charging up mars will that further weaken the venus?

11) If the first child of a couple has been aborted and then a child is born should we see that kid from 5^th house or 6^th house?