Do your partner answer you fast , he has always been that way?

I've realized there are two kinds of guys, the ones that respond right away and the ones who takes longer to respond , maybe they think more their answer I don't know , this guy I like takes long , he already knows I'm very into him still he does that , we've been talking for five months and haven't seen each other yet but still I've developed strong feelings for him
Do your partner answer you fast , he has always been that way?
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