Fathers in today's modern families can be so many things.
Father or stepfather - those are just titles to me. They don't mean anything.
His advice to me is basically to just love what you do and don't let the fear of failure stop you.
Personally, fame never really played any part in our family life.
We were taught manners and we had to do our chores - Katie and I grew up as normal kids.
You can love someone like your son, even if he's not your biological son, and you can love someone like your father, even if he's not your biological father.
Blood relatives often have nothing to do with family, and similarly, family is about who you choose to make your life with.