When I was as young as five years old I was into hunting and trapping my mind would ruminate for hours on how to build a good trap to catch birds and other animals it must be a part of my DNA and natural instincts and guns well they had me thinking all the time about them from about 10 to 13 till my sexual instincts took control. By the time I was 18 I had several high powered rifles and was a very good marksman when it came to aiming a gun, bow, or slingshot. Then At 19 I got the truth and sold all my weapons it was a big turning point to me. I'm now 64 and have a moderate interest in guns, I think I'm still a very good shot and have I think good point and shoot reflexes, back when I was 16 I sometimes would draw on a bird fire and nail it.
Today I'm moderately interested in guns and haven't picked up one in over a decade. I think I'm following the pattern of my dad who when through the same process : Interest in younger years but rapidly declining with age.