I've absolutely done this.
But what I notice is that in the moment I'm saying 'its fine, I dont need acknowledgement', it really does feel like thats true.
Then soon afterwards ........whoops!! into the black hole...

Would this be because when you're IN the moment of communication, it feels abundant BECAUSE at that moment you're in communication? - no abandonment issues at that time.

(......... I also think this is paralel with a developmental stage - the baby stage where its pre-learning to have a continuity of security....... )

r.
ps
oh, I just read the above and saw I'm sort of repeating what already been said....