How can I know if a French guy have any interest on me?

I met a guy but I know mens are men's but in every country have their differences..
I am a Mexican girl
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Well, i met him on IG he told me I like you and sweet things but when I ask him about simple things like how many vacations are u gonna have? He doesn't reply and he send me pictures of him but aren't pervert pictures later he told me I wanna see more pics of me and that's all, I don't care if he reply me fast or not 🤷‍♀️ but he dissappears and come again so is really confused to me
How can I know if a French guy have any interest on me?
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