I read a book called His Needs/Her Needs. It is a little idealistic but this is basically what the author says leeds to most affairs, some un-met need that is offered by someone else and looks like the holy grail.
I imagine most couples meet the others 4 out of 5 top needs naturally, perhaps the work comes in meeting the last need that doesn't come so natural
TwinDad Me 39, W 36, M 11 W - MLC, WAW???? 2 Kids B/G 3 YRS Old Start of the Long and Bumpy Road..... On the verge of piecing.....a new beginning