Most Helpful Guy
The presence of another woman is *strongly* likely.
If you're that rocky on the first year, it will not be an enduring relationship. While that is a conclusion you will both eventually reach, the presence of another female will help him reach it faster. Maybe fast enough to cancel plans and not tipping the cart by calls from the soon-to-be ex-.
I think it was mean of him to jilt you like that. He owes you a clean break.