First, your head shape is fine.
Second, I received first reaction comments from friends and family, but after a couple of days or a couple of times around them, it was like nothing had even happened. I received my fair share as a pale and skinny dude, but they went away.
Third, just as the comments disappeared so did my own self-consciousness. I started to get comfortable with looking at myself in the mirror and I started growing into the look.
I'm not going to sugar coat anything and say that shaving your head helps you get girls or anything like that BUT at the same time, you can use this as a challenge and if you can conquer it, your confidence will benefit and henceforth you won't have a problem with the ladies.
I think as bald guys it's harder to make the killer first impression (unless you are around women who specifically love bald guys -- and believe me, there are women out there like this!) but if we are confident, we can make the LASTING impression that matters. It's all about how you carry yourself and if someone tries to tell you otherwise, they don't know what the f they are talking about.