OK, if you're looking for marriage then that narrows the field down a bit, but what if you're looking to develop yourself and have a good time?
Advantages of married guys:
....Don't get ridiculous ideas about marrying you.
....Know that being shouted at and ostracized are normal.
....Don't freak out at occasional blood,
....Know how to share a bathroom.
Advantages of single guys
....Fill these in for yourself.