well, to answer the "why do people do this?" question
It's pretty much a given that nobody outside of a couple's relationship can ever fully understand what goes on in that relationship, even if they try to read all the signs, so while it's always tempting to judge others by our own relationship beliefs, it isn't always accurate.

Learnt that the hard way.
( crackhouseceilidhband Fuck off back to Mumsnet, Mon 29 Sep 2008, 16:53, Reply)