Jean-Paul Sartre: "Hell is other people."
Sorry, okay, I guess not really...but as a single old man who hasn't had a roommate since college, I'm a big fan of solitude! It's just me and the dog, and sometimes she's standing on my last nerve. I feel your existential pain, and feel extremely lucky that I can't relate even a little bit: a birthday party with other moms and children? Gross. I drove past a municipal basketball court today that looked positively infested with about a hundred children, obviously an event of some kind; I literally shivered!
So if you ever need a babysitter...