I don't take my designerbags when I go out dancing. I can't dance while a bag is on my shoulder..so my options would be..leave it with my coat (NOT IN THIS LIFETIME!!) or find someone else like Bf or some girlfriend to look after it, and I don't like that either...so i leave my bag at home...
Oh yeah and places like where it's gonna be rough and you don't know what to expect...but other than that, i will carry them along with me.
I'm a teacher to, and i have like a locker to put private stuff in, and that's where my bag goes every work day!