You went behind my back to GUILT her
into letting you go instead of her.
The Big Bang Theory Season 3, Episode 15
In any case,
I have been riddled with GUILT...
The Big Bang Theory Season 4, Episode 7
...so I could escape
this miasma of GUILT.
The Big Bang Theory Season 4, Episode 7
I mean, Leonard has
resting GUILT face.
The Big Bang Theory Season 12, Episode 21
to let this girl GUILT me
into getting back together with her.
The Big Bang Theory Season 9, Episode 18