
to calculate the probability
of the INTERACTION.
The Big Bang Theory Season 11, Episode 8

by abandoning human INTERACTION
and allowing yourself
The Big Bang Theory Season 5, Episode 14

Anyway, should you have
any INTERACTION with her...
The Big Bang Theory Season 2, Episode 9

Well, ours has zero
drug INTERACTION risk.
The Big Bang Theory Season 12, Episode 17

Where exactly in the INTERACTION
did the sucking lie?
The Big Bang Theory Season 3, Episode 6