Hey Eep, welcome to the club.
I got my start tying jigs and streamers with Dad at age four, but I wasn't allowed to pour lead until second grade... (if that was today, dear ol' Dad would likely be brought up on child endangerment charges)... and we actually poured our lead from a cast iron skillet, melted on the stove top. Because of my early start, my history goes back farther than many others older than myself. I actually took one of Dad's original molds to headquarters and they couldn't give me a date more accurate than "pre-1973".
I cut my teeth fishing walleyes on the Big Miss before kindergarten, and I was convinced that hair (because it was "natural") would always outperform plastics on jigs - so much so, that I didn't try my first plastic on a lead head until I was in my twenties. Now, I'm convinced plastics will generally out-fish hair (because of it's action.) I'll still use a hair jig on occasion, and the mayfly hatches are when it seems to come back and really shine for me... especially one made from red fox tail!
Dad, being and old farmer, instilled the efficiency mindset within me; making our own jigs from recycled lead pipe and tails from deer we shot just seemed so natural, I never thought it needed a reason... but looking back, I guess it was done out of simple economics. However, with the addition of all we can do with making plastics, lure crafting is far more pleasure focused for me now. The thing I like most is coming up with baits no one else has to catch highly pressured fish (i.e. muskies); but I like it all... it's just a shame I'm not independently wealthy.