You've discussed aspects of our
PHYSICAL relationship with Penny.
The Big Bang Theory Season 10, Episode 16
It's the second date. You think
she'll be expecting things to get PHYSICAL?
The Big Bang Theory Season 2, Episode 22
but you should know that
Sheldon said he's ready to be PHYSICAL.
The Big Bang Theory Season 9, Episode 11
which precludes her
from PHYSICAL contact
The Big Bang Theory Season 7, Episode 23
It would only be rebound if he and Penny
had actually engaged in PHYSICAL intimacy.
The Big Bang Theory Season 2, Episode 2