Dear Eric: I have a good friend with whom I get together maybe twice a month or so. We disagree politically, sometimes ...

Dear Uninvited: Unless something else happened between you and your friend, either around politics or the wedding, I’m inclined to take the Occam’s Razor approach here.

"I have been invited to be a groomsman at my friend’s wedding but my girlfriend who I live with has not received an invite — we will have been together two years at the date of their wedding ...