
risk of PHYSICAL harm
or uncomfortable eye contact
The Big Bang Theory Season 12, Episode 13

Well, if you had
a PHYSICAL relationship,
The Big Bang Theory Season 5, Episode 23

And I could easily best you
in any PHYSICAL confrontation.
The Big Bang Theory Season 3, Episode 2

If we were in
a PHYSICAL relationship,
The Big Bang Theory Season 7, Episode 22

...that occupies the same PHYSICAL space
we're in, but he can't perceive us.
The Big Bang Theory Season 3, Episode 7