Glad you are choosing to step away, from him. Sure, you showed up, after wine, and confronted him. It's almost as though, you are even.
If it's out of character for you, he already must realize that.
Could always consider it, a form of closure
You'd pent up a lot. Four years, a paragraph in an email (btdt, btw, 6 yrs), one wine induced tongue lashing. Sounds even.

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