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You were definitelyo not out of line
You were making a good faith effort to see this man when circumstances beyong your control (traffic) prevented you from being there on time.
You were considerate and did the most thoughtful thing possible; message him and let him know.
Rather than a sympathetic response, such as "I will wait as long as it takes, Anna, because I can't wait to see you", or something of that nature, he acts slighted and makes himself out to be the victim.
This is wrong and shows him to be a very self-centered person with no empathy for your plight, but only caring about his own needs.
And yes, it does sound like a booty call.
Frankly, he sounds as if he may sufferer from Narcissistic Personality Disorder, or at least have several traits.
Narcissists will always victimize you and then act as if YOU were the perpetrator and they the victim. They will not care about the feelings of others; they will portray themselves to others as being different than they really are. They are manipulative, they distort the truth for gain, and they care more about control and getting admiration than anything else.
Being angry is way of controlling you. You were not really wrong but he will turn the tables on you if you permit him.
If you want to learn more about narcissists, I recommend this book which may open your eyes and change your life for the better:
If you think that he is a narcissist, you will never redeem him. Knowledge is power, and you need to find out more about narcissists to see if he fits the mold.
I wish you joy and fulfillment and shall keep you in my prayers.
Elliott, MAE, LPCC, NCC, CCMHC