"It's the friends you can call up at 4:00 a.m. that matter.

It's the friends you can call up at 4 a.m. that matter.
It's the friends you can call up at 4 a.m. that matter.
It's the friends you can call up at 4 a.m. that matter.
It's the friends you can call up at 4 a.m. that matter.