Is it right to insult a past ex boyfriend?

He's been blocked on every single page but last week, we accidentally bumped into each other at a supermarket parking lot. He already knows I'm now married for 4 years.

He started with the BS of saying he's happy for me, how we had good moments back then, etc. I cut him off and said how small he is in everything, that he's as disgusting as a cockroach to step on, how so much better my husband is. I repeated twice "Yes my husband, big difference, meanwhile you're nothing". Then I said the truth, how in just 9 months of dating, he gave me what you never did in worthless years. You're a loser, always have been and always will be. You're a super ZERO, a nobody in my life. Never speak to me ever again you worthless coward, you pathetic excuse of a so called man. Get lost sissy.

That was hatred on my part in running up to him. At some point in the past, I was in a relationship for nearly 7 years. He strung me along, never proposed (made excuses, false promises, etc) and had the nerves to just greet me casually as if nothing ever happened. So this was my chance to attack and throw it in his face. Was it right?

Is it right to insult a past ex boyfriend?
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