in other words

"When you left, I was not lonely anymore.
It was a relief. Because there was nothing to think of as not being mine. " 

Tet Gallardo said it better than I ever could have, so I won't re-hash it here, I'll just let you enjoy her much more succinct, penetrating words.

I'll be over here in the meantime, enjoying that lack of stress over not having all of something I thought I wanted.