
See? No wonder
I don't have any CONFIDENCE.
The Big Bang Theory Season 11, Episode 10

Confidence, not exuding.
The Big Bang Theory Season 4, Episode 7

- Fear of failure!
- Lack of CONFIDENCE!
The Big Bang Theory Season 9, Episode 12

and it's wrecked his CONFIDENCE.
The Big Bang Theory Season 11, Episode 10

PENNY: Oh, damn it. I told Amy that
in the strictest CONFIDENCE.
The Big Bang Theory Season 4, Episode 20