Swimming lessons?

HELPEEEE!!! We have swimming lessons tomorrow and I CAN'T DO THIS! I can swim OKAY (it looks terrible though), but I feel so damn uncomfortable in my swimsuit 🙁 Also, almost everyone in my class is slim (except me) And I want to change in front of everyone in the changing room Please give quick…

What helps immediately against stomach pain caused by histamine/intolerance?

I just wanted to ask if anyone has a quick fix for stomach pain caused by histamine or general food intolerances. I have an exam tomorrow, and this morning, about exactly 24 hours before, I accidentally ate something I shouldn't have. I'm predicting this because I've always had stomach pain exactly one day afterward. Either…