Are most men dishonest about their intentions?

I have no problem meeting people but I do have a problem meeting people who are honest. Just about every guy I've met since being out of highschool just wants sex. That's not bad but be straight up about it. I think I'm meeting someone that actually wants to get to know me then bam, it's either the pants have to come off or they're done talking to me. Why are people this way?
Are most men dishonest about their intentions?
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