The biggest mistake I've made in relationships is not acknowledging the signs that I need to let go of the other person, either by justifying the signs, ignoring them or dismissing them, and the more I loved the other person, the worse I was about it. As someone with this experience and looking at your situation from the outside, I'm asking you please don't ignore this sign that you and he are not a good fit. He's made his choice, irrespective of facts and your feelings. Signs of this magnitude don't just crop up out of the blue, and If you examine your entire relationship with him, you may find there are other signs you've justified, ignored or dismissed because of your love for him, and likely all the signs are significant in one way or another.

At any rate, given the information coming out about the effect of these injections on un-injected people who are around people who got the jab, your health is now in jeopardy. In your shoes that would be an issue I couldn't dismiss, and I'd be making other arrangements.