I first started lifting consistently at the end of my last year in high school, why? Didn't have anything better to do I guess, but haven't really stopped since, except maybe a couple one month sabbaticals in college. For the past 8 years despite whatever else has been going on in my life I have always had lifting, I wasn't always the strongest or the most ripped, but god knows I go to the gym just about every day, and I will tell you first hand, no matter what your routine is, no matter if your short, tall, skinny, or packing some extra weight, if you are busting your ass, I mean really absolutely murdering your workout, and you are doing it consistently over and over and over and over. You will be suprised how far you can go. Every single person has potential, not everyone realizes it.
Every day I am trying to improve upon what I have done before, every day. Some days are less than perfect, but those days when you break a plateau, those are superb. I lift for strength, the rest is just gravy. I love pushing myself to do things I once thought not possible, its what keeps me in the gym, otherwise I don't know if i'd even make it in. At this point I ahve been doing it so long it defines me, it's what I do, and I don't think i'd have it any other way.
Also just for anyone out there who is looking for tips on my type of physique, Lift heavy, HEAVY, it's not going to make you fat, from my experience diet is the primary factor in that. Lift the compound movements, bench, squat, deadlift, pullups, cleans, shoulder press, lunges, and lift heavy for all of them. ALSO do a lot of bodyweight excercises, and add weight if possible, hanging ab exercises have worked wonders for me.