Pros:
1. Family unity – Inviting your sister’s husband may help maintain a sense of family unity.
2. Avoid drama – By inviting him, you may prevent potential conflicts or tension with your sister.
3. Honor your sister’s wishes – If your sister expects her husband to be invited, it may be seen as a respectful gesture.
4. Chance for bonding – The bachelor party could provide an opportunity for you to get to know your brother-in-law better.
Cons:
1. Disastrous behavior – If your sister’s husband has a track record of causing trouble or acting inappropriately, it could negatively impact the party.
2. Ruined atmosphere – His presence may create an uncomfortable or unpleasant atmosphere for you and the other guests.
3. Damage friendships – Your friends might not appreciate being exposed to someone they find difficult to get along with, potentially straining relationships.
4. Unpredictable outcomes – Inviting him could lead to unforeseen consequences, making the party less enjoyable for everyone involved.
context: https://slate.com/human-interest/2023/10/brother-in-law-bachelor-party-dear-prudence-advice.html
A troubled outcome awaits.