You ever received a gift from someone that made you think why? Like what did you honestly do?

A girl I use to have sex with that stopped having sex with me for whatever reason , she claims she was just going through some things that it isn’t me it was her , I always felt she was probably fucking someone else so we kind of went are separate ways , out of nowhere she ended up buying me an expensive gift? the gift was a very nice surprise and I was excited by it , but I have this question mark as to why she did that for me? What would you think if that ever happened to you? If she trying to cover up something or am I just overthinking?
You ever received a gift from someone that made you think why? Like what did you honestly do?
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