Activity for Rosa

I am a bridesmaid in my cousins wedding today.What are some easy and quick remidies that work for you guys.The ceremony starts at 12pm and is supposed to be over by 1pm. The reception starts at 1:30pm and ends at 5pm.I really don't want to be in pain...

Alot of my family and my FH family drinks and become very violent and belligerent when drinking.most of them have kids.should we opt for no achoholic beverages to be served or do a cash bar?