Why would he lie though?

Okay so my Boyfriend has relatives at the place called (Lebanon) he usually visits there and has an Ex lover there. So now he told me that he's visiting his other relatives somewhere but his younger sister told me that he's at Lebanon.
I don't know if I should dump him for lying or mayb he lied because mayb he got together with his Ex 😭 But y would he lie though?
Why would he lie though?
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