He's battled INTIMACY issues
his whole life.
The Big Bang Theory Season 9, Episode 23
details of physical INTIMACY,
bathroom habits...
The Big Bang Theory Season 10, Episode 16
how you feel about other forms
of INTIMACY, such as snuggling?
The Big Bang Theory Season 10, Episode 4
but I do like the idea
that our next act of INTIMACY
The Big Bang Theory Season 11, Episode 10
...that having sex is our way of making up
for INTIMACY we didn't get as children.
The Big Bang Theory Season 2, Episode 15