I spent 2 years worrying about my receding hairline, and finally shaved at the age of 22.
Hands down best decision I ever made.
You will get everyone tell you the same on this site, for a very good reason, most of them have been through the same thing!
Do it, 30 day rule and see how you feel. I'm sure you'll love it and will be telling us you wish you'd done it sooner!