Why did he ask me when was the last time I had sex?

We have been chatting for a month. He says he wants me, and I want him. Last night he asked me when was the last time I had sex, but honestly to tell him. Why is he interested in knowing that?

Two weeks ago he asked me with how many men I slept with. He says it doesn't matter, but he is interested to know that.
Why did he ask me when was the last time I had sex?
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