not the least/not in the least/not the least bit

Czy konstrukcji not the least/not in the least/not the least bit można używać w stopniu wyższym?

I'm not in the least bit happier now.

Słyszy się np
not in the least (happier) nie znam zasady że akurat można tak ująć

In the least (bit just wastes some oxygen that you have to spill out to articulate it) is a intensifier that makes you feel more expressive that you really are. No need to try it.
Are you any less happy now than before?

AN intensifier