We are all our own worst critics, my friend.
Before trying it myself recently, I was convinced my head was an ugly shape for it...I've had nothing but positive results and compliments from people.
I say, at the very least give it the 30 days. If you don't get used to it or like it? It'll grow back.
But you say you're most likely going to go bald sooner or later? So you can always go bald by choice, and have confidence knowing you beat nature to it.