At 21, my first proper boyfriend, of three years, dumped me because I said I didn't want children, called me an unnatural woman and stood me up as my wedding plus one. Didn't tell me he wasn't turning up, it just got later and later with no sign of him, not answering the phone, and by the time I twigged he wasn't coming, I'd missed my best friend's wedding.
Years later after moving to the States I returned on holiday and bumped into him. He looked about the same, slightly thinning hair, same loud clothing and flashy car. I was the one who had changed and I was looking pretty good at the time as all my friends kept telling me, decent weight (finally), nice outfit, hair behaving itself, good job with lots of overseas travelling, satisfactory amount of disposable income. He asked me for a drink, I went out of curiosity and discovered he'd been divorced twice and had five children.
He had the cheek to tell me he liked being a weekend dad! Said it was too disrupting living with children, cramped his style. When I asked him about school holidays, he said when the kids were teenagers he'd take them away but for now hols were spent with their mums. Of course, he was quite surprised when I pointed out this was what he would have done to me, that he'd dumped me for not wanting children age 21, but had then dumped two women for having his children!
Oh the irony! Yes I did gloat inwardly about how lucky I'd been - it was worth all the upset and embarassment at the time not to have continued with that relationship.