Am I too sensitive or is this invasive?

A guy I started talking to on bumble just asked me if I've ever been with someone.

We've only been talking for about like 5 days and basically only talked about what we do for a living, if we are extrovert/introverts, what we did like 2 days ago and the last thing we talked was what we are looking for.

The "what are you looking for" is a normal question for me. I said I wanted to meet people and see where it goes, but nothing casual. He said the same.

Then he asked me if I have ever been in a relationship I said "not really". He told me he has never been in a relationship either but he had "some kinda serious stuff".

Then he said "then I assume you had more casual things". I said "I've never had anything that evolved to something special. I know it may seem like a red flag but most of the people I met are girls".

Then he said "it's not weird it's just a fact" and asked me " It's okay if you don't want to answer but have you ever been with someone?" which I was taken aback.

Maybe it's an insecurity I have because l'm 25F straight who's never dated and people always ask me what's my problem (like you're smart and pretty why have you never dated?) but I feel it's pretty invasive for someone who I've never personally met and I've only been talking for a few days

Advice please?

I don't even know if I should answer

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