In one case,
it's because they've become INVOLVED
The Big Bang Theory Season 9, Episode 21
Howie, you forget how much
of our early dates INVOLVED
The Big Bang Theory Season 9, Episode 14
Are you currently INVOLVED
in a sexual relationship?
The Big Bang Theory Season 2, Episode 3
everyone INVOLVED in those books.
Breaking Bad Season 4, Episode 9
I get it. Leonard has no business
being INVOLVED with a waitress/actress...
The Big Bang Theory Season 2, Episode 1