I'm PROUD of you.
The Big Bang Theory Season 7, Episode 1
Thanks, I'm PROUD of me too.
The Big Bang Theory Season 8, Episode 3
I'm so PROUD of you.
The Big Bang Theory Season 7, Episode 12
I'm PROUD of you, Sheldon.
The Big Bang Theory Season 6, Episode 21
I was PROUD of him.
The Big Bang Theory Season 10, Episode 24