Why would he break up just because I didn't want sex?

Anonymous
My boyfriend of 5 months recently broke up with me. On our 3rd date, I was honest about having no past relationships and that I didn't want sex with someone I wouldn't have a future nor child with. I also told him I didn't want to end up like those girls that lives with several bfs and the relationship goes nowhere. At first he was ok with this and continue seeing me.

Last week we wanted us to move in together. I told him I would agree under just one condition: that I get to still keep my V-card. All of the sudden he got kind of defensive and days later, he breaks up.
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+1 y
This is the 3rd guy that disappears from my life... just because I didn't want sex if we move in together. The first 2 disappeared after telling them exactly what I told him. One guy even told me I'm a very difficult girl.
Why would he break up just because I didn't want sex?
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