Howard: All right. Here we go. L-minus ten, nine-
Sheldon: Wait, what are you doing? It's "T-minus".
Howard: I was an astronaut. We used L-minus.
Sheldon: But this is a Saturn V, and when they launched those, they said "T-minus"
Howard: It's my rocket! We're doing it my way.
Sheldon: Fine. I'm not saying I know why your dad left, but I think I'm getting an idea.
Howard: L-minus ten, nine, eight, seven, six-
Sheldon: 'Cause you're kind of bossy.