Re. the email: I think you should scratch the cell phone part and everything in purple.
Re. the windows and vent: can that be paid for right now, as Always suggests?
Re. fear of divorce: Me, too.
Nicola, only you know if this is the time to be done. The fact that you know that you love him, that you are not in love with him, and that associating with him brings you down is pretty telling. It's OK to be done!