Thank you for writing that so I don’t have to.
The end of the petrodollar is complicated. On the one hand it reenforced American hegemony and propped up US financial institutions and instruments. On the otherhand it was quite unfair and sometimes unpopular even among US allies.
The end of it means US finance will have to work harder to stay competitive and the US has to trade currency on (slightly) more equal footing but it might lower international resentment.
You take some time. Heal up. Meet a new woman. Fall for her. Notice you feel different about this woman now. Then you can try being friends again if you both still want to.