Never Felt Like This Before was created on 2004-07-05.
Like Never Before was created in 1991.
Never Knew Love Like This Before was created in 1980-08.
He's Lying...
I have never felt like this before.
It Felt Like a Kiss was created in 2009.
He Hit Me - It Felt Like a Kiss - was created in 1962.
Probably because he said he had never felt like this about anyone else before so he probably didn't have a girlfriend before her
Because they felt like it OK Because they felt like it OK
Based on that limited information the most likely cause is Adult Panic-Anxiety Syndrome.
They felt like they could let there gard down and be real.
If you like a guy then get a chance to know him. Find out what he likes and start by building a friendship with him.
You feel good. You feel safe. You feel respected. and you also feel like you have never felt that way before with somebody else.