You need to push your brain out of its
comfort zone and reach MENTAL exhaustion.
The Big Bang Theory Season 10, Episode 22
I heard you had
some kind of a MENTAL break?
Westworld Season 3, Episode 8
Well, clearly MENTAL tasks are not enough.
The Big Bang Theory Season 10, Episode 22
I forget, which MENTAL hospital
are you guys registered at?
The Big Bang Theory Season 11, Episode 10
And with that MENTAL picture,
I think we're done for the evening.
The Big Bang Theory Season 4, Episode 4