Long time reader, first time poster.
I am in my 40s and have shaved my legs (and everything else) since age 13.
I wasn't good at it at first, but now can do both entire legs in 10 minutes. I make it part of my daily routine. While I wax the chest, back, underarms, and genital regions, I only shave the legs.
I proudly tell all my female companions about it, talk about it, and shave in front of them. I even get turned on by it. I think it also keeps women on their toes, as they don't slack off on their own grooming when they see me.
Finally, why do I do it? I shave my legs ( and remove hair from entire body) because I love the look, love the feel, and clothes fit better. Frankly, I also think I do it because I like looking prepubescent with no secondary adult hair anywhere.
But I am totally hetero and love women....go figure.