your personal HYGIENE or
the fact that your science,
The Big Bang Theory Season 11, Episode 17
I must take responsibility. I had to stop
for feminine HYGIENE supplies.
The Big Bang Theory Season 4, Episode 3
Intelligence,
ruthless attention to HYGIENE...
The Big Bang Theory Season 2, Episode 13
I'm scrupulous about my HYGIENE,
I regularly disinfect my hands...
The Big Bang Theory Season 3, Episode 15
And after that I'll make up my own rules
of oral HYGIENE...
The Big Bang Theory Season 6, Episode 21