There's a lot I could say about my less-than-ideal relationship with my dad growing up, but I prefer to focus on the things I really value. Like how much he taught me about the history of rock and roll and R&B, and that he showed he cared by making a bagged lunch for me every day until I graduated high school. (We didn't have a hot lunch service; everybody brown bagged it).
Whether good, strained, or non-existant, we're all defined and informed by our relationships to our parents, and the father-son one in particular. But, if you're able to be in touch with your dad throughout your life, you'll note, of course, that such a relationship changes, and you see him with a new set of eyes every few years.