Decreased Libido / Sex Drive is a common sign of depression. This can also be a side effect of some AD meds though so that is something to watch out for. It certainly is not personal towards you but he will see this as completely normal.
These members wrote some very wise posts to you. Yes the meds as well as the depression can lower your libido.
This is a tough one, wondering if you have a therapist for yourself as you need someone to be there just for you to talk through your issues.
Are sexual side effects common for Effexor as well?
I am new btw...
I just answered your question in A & P forum but I am sure someone here may have a comment too.