Also, it's not just you being dishonest here, unless I read it wrong. You said that
Well, it's quite obvious to me that he has a "new toy"
so it doesn't look like he's actually told you about said new toy, right?
I agree with previous posters. DTMFA. The relationship doesn't seem to be working, and it doesn't seem like either of you are motivated to fix it.
If I've got that wrong--if you really do want to demand fair treatment in an equal partnership--then do it!