
I don't even know where
my RELATIONSHIP is with Leonard now.
The Big Bang Theory Season 6, Episode 3

...his RELATIONSHIP with Stephanie
should have ended after 20 minutes.
The Big Bang Theory Season 2, Episode 9

Look, I'm not the kind of guy who drops
his friends just because he's in a RELATIONSHIP.
The Big Bang Theory Season 8, Episode 4

Well, some people just can't handle
that kind of RELATIONSHIP.
The Big Bang Theory Season 2, Episode 21

Relationship agreement
Section 4: Boo-boos and Ouchies.
The Big Bang Theory Season 5, Episode 10