#1 You Would Rather Hang With Friends
You love your group of friends and see them as much as possible. If you don't feel the need to change the way you interact socially with other people, a significant other might complicate things. Consider this, the time you spend with your friends will now be split among your new partner, and his/her friends. You might only see your buds a 1/3 of the time you did before. Are you ready for that?