Because their mother said so. Arjuna won Draupadi in an archery/bravery competition. When he returned home with the prize, his mother (not knowing that the prize was a girl) told the 5 brothers to share it equally. Thus, draupadi became the wife of all the 5 brothers
Taking on thy brother's wife typically refers to the act of marrying the widow of one's deceased brother, a practice known as levirate marriage. This custom is rooted in various cultural and religious traditions where the surviving brother is expected to marry his deceased brother's widow to continue the family lineage and provide for her.
No, she is not your property to share.
Yes
You're wife's brother's wife is your sister-in-law.
The husband's brother is a brother-in-law to the wife. The wife's brother is a brother-in-law to the husband. However, the husband's brother is not related to the wife's brother.
no
no
A hoe.
Your brother's wife is your sister-in-law.
Daniel Boone did not go to school, his older brothers wife taught him.
You are not related to your wife's cousin; you share no ancestors.