You need to define your wants and needs.
Does the truck run and drive (need). If yes, you're done. You're young, enjoy it until you have the money to fix it, or buy something better.
Does the truck look good (want). Trucks don't even have to look good to be cool anymore.
When I was your age I thought muscle cars would always be just a dream for me, but at 38 I own a C10, 2011 Mustang, 1965 Mustang, and 1968 Firebird. If my wife won't kill me, I'd like to add a first or early second gen Camaro to that list...
My truck circa 1997 (I was 16).
A lot of time, effort, and money in 2006:
South Carolina sun and over 10 years of sitting outside later (and I sprinkled on a little cool):