We've been chatting every day for 3 weeks, but whenever I suggest meeting up, he always has some excuse. Yesterday he even sent me photos, but they look different from his profile picture. Am I being paranoid or should I take this seriously?
That's a genuine red flag and you're not being paranoid. If someone keeps making excuses and the photos don't match the profile picture, a lot points to catfishing - meaning someone pretending to be someone else. After 3 weeks of chatting every day, genuine interest should lead to an actual meetup. My advice: ask him directly if he wants to video call, and if he makes excuses about that too, save yourself the time and energy.
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