Grown up press ups

I just had to share with you my latest achievement...I did 3 proper, real, grown up press ups yesterday at the gym! It's taken me 18 months of circuit training to train myself how to do this, I am rather pleased with myself.
Stupidly, I decided to show off to Gary last night by trying to demonstrate how I can do a grown up press up. This might be the cause of my sore arms and shoulders today, will I ever learn?