Johnny Galecki — American Actor born on April 30, 1975,

John Mark "Johnny" Galecki is an American actor. He is known for his role as David Healy in Roseanne from 1992–97 and as Dr. Leonard Hofstadter in The Big Bang Theory since 2007. Galecki also appeared in the films National Lampoon's Christmas Vacation, Suicide Kings, I Know What You Did Last Summer, Bookies, In Time... (wikipedia)

It's that one thing that you're passionate about, that you end up developing tunnel vision for and everything else tends to fall by the wayside. Passion is appealing and universal.
Right now, I'm very healthy. I have no vices left. Except sugary breakfast cereal. And absinthe, of course.
I bought a little hideaway up north, so I'll ship my motorcycle up there. It's much less dangerous than West Hollywood.
People are complicated; you put two of them together and it's generally a mess, but hopefully a beautiful mess.
You get to a certain point - gratefully - when you're out of your twenties, and you realize how fleeting life is. So, it becomes important to feel as if the people in your life know exactly how you feel about them at all times.