That is the most SELFISH thing
you've ever done.
The Big Bang Theory Season 12, Episode 7
How is that SELFISH?
The Big Bang Theory Season 12, Episode 20
Sheldon, you're being a little SELFISH.
The Big Bang Theory Season 10, Episode 10
Sheldon, you can't be SELFISH.
The Big Bang Theory Season 1, Episode 14
I’ve neglected you and our children.
I’ve been SELFISH.
Money Heist Season 1, Episode 5