Okay Popcorn33. Yes, many of us search for ideas when things get really tough. It's times like this where a solution will help the most. I think I understand you here.
Since things have settled, I think now is a very good time to practice the validation I mentioned earlier. I think you're very fortunate to have found this site because a lot of the structure is a result of a lot of research by people that share situations like yours. Therefore, much of the best things--I feel--have been filtered through into these pages. Validation is one of them. The idea is best used in practice--so perhaps when you've had a look at validation, will you share one the difficulties during the conflict in your relationship? Pick one during a "particularly bad episode".
You're right about timing being difficult to judge in the heat of the moment. This is very accurate as it's during the heat of the moment when we may feel most compelled to enter a conflict. This is not helpful when it's
that time that's the best time to
not enter it. Good observation.

Moreover--rather than seeing emotional sensitivity as something that doesn't help, can you see how being an emotionally sensitive person can actually
help you to pinpoint these timings better?
I encourage you to exercise some self-compassion during this time. You don't always have to be the one to get 100% of the solutions in a relationship--you don't always have to be the one to have the right answer on who is wrong on a given thing. Yes, put in the effort you think an issue deserves, but I think a big part of self-compassion is learning when to let some of these things go. That helped me a lot.