
You mean, up until now we've been
experiencing the HAPPY fun-time Sheldon?
The Big Bang Theory Season 2, Episode 3

All this to say,
l'm HAPPY to take your money.
Breaking Bad Season 4, Episode 2

And yes,
I'm HAPPY to keep Sheldon company.
The Big Bang Theory Season 10, Episode 24

The lonely guy
and the two HAPPY couples?
The Big Bang Theory Season 4, Episode 22

Look how HAPPY he is.
The Big Bang Theory Season 7, Episode 7