I was having lunch with my girlfriends, most of whom are mothers. Someone ventured down a urinary tract of conversation (insert comedy drum sound here). “Obviously, I wouldn’t trade my kids for anything, but…” This is, of course, the phrase that launched a million bitches. All totally valid, I’m sure. Children are tyrants. But she went on to say that she was walking uphill when someone or something made her laugh and she “like… peed. Just a little! But, yeah.” The other mothers in the group shared their own similar stories. In addition to funny hills, there are other situations that my friends admitted to avoiding. Squats, lunges, anything that…