You need to push your brain out of its
comfort zone and reach MENTAL exhaustion.
The Big Bang Theory Season 10, Episode 22
who don't have MENTAL problems.
The Big Bang Theory Season 9, Episode 10
I heard you had
some kind of a MENTAL break?
Westworld Season 3, Episode 8
Then as a MENTAL exercise,
I invite you to figure out...
The Big Bang Theory Season 4, Episode 22
I forget, which MENTAL hospital
are you guys registered at?
The Big Bang Theory Season 11, Episode 10