My 4.0 Is Ruined :(

This semester I took 16 units, worked part-time, mentored girls weekly, and upheld my duties as v.p of the honor society. I would love to brag that I earned all As while balancing my hectic life, but sadly I must report that I got 4 As and 1 B :( Booooo. I was so upset, but I'm halfway over it now. It just kills me because I didn't even need the class, but took it anyway and was cocky. Well, there's no way I can get an overall 4.0 now, so a 3.9 will have to do. Damn.