That doesn't work either because what happens then is the person you're involved with can't understand why you need to be friends with the person you're just friends with...
8 seconds sound clip from the When Harry Met Sally... movie soundboard.
You can hear this line at 00:21:46 in the Blu-ray version of the movie.
Quote context
[...]
- No, no, no, no, I never said that.
- If two people are in relationships, the pressure of possible involvement is lifted.
- Like it means something is missing from the relationship and you have to go outside to get it.
- I mean, come on, who the hell are we kidding? Let's face it.
- So where does that leave us?
[...]