Gaybros, what's the cringe worthy thing you've ever done for another guy?

I had a minor, long-distance dating in 2014. I met Eike on OkCupid and during the first week, he replied lengthy messages to mine like clockwork. He was checking off every boxes on my ideal date. I guess I matched his boxes as well, else he would not spend those minutes (maybe an hour) composing depth-filled messages.
Long story short, we agreed on a three-day weekend plan for F, Sat, and Sun. He lives in southern California and I reside in northern California. We were thinking of meeting at Fresno, CA.
I later found out he had adult ADHD and it was when things start to be "interesting." The 3-day weekend that we planned (no longer meeting in Fresno), we agreed that he would permit me to lodge with him, while we tour some of this favorite hiking spots. Of course, I was to cook Lamb Curry and we planned it out—due to his ADHD. I gave him a rough overview and he agreed.
OK...so I thought. Because his 39th b-day coincide with the 3-day weekend, I was going to stop by at his favorite bakery along the way.
Somehow, he changed his mind and that he wasn't ready for the meeting or the 3-day weekend. I told him via email, all right. Let's now agree to defer the meeting to some other weekend in the last week of April.
We agreed. I have his writing in email.
His b-day past and I called him to wish him a "Alles Gute zum Geburtstag," because he's German with strong "Germanic" characteristic and mannerisms.
He was pissed at me, because "he waited for me all day." This painted me in an immensely negative light!!!
Shortly after he hung up on me. I immediately forwarded his emails of how our agreed plans were changed from "OK" to "Deferment."
He replied something like "I don't care." At this point, I was immensely infuriated, until I calmed myself down and said to myself in my head, "Fuck this! I don't need this crap in my life."
I think that was a cringe worthy experience for me and because of this incident, I try to steer away from men, who have or are diagnosed with adult ADD/ADHD and long-distance dating in general.

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