Despite the trope's prevalence in shows and movies, very few people ever actually wake up in a strange place with no memory of who they are or how they got there. Even fewer do so to find themselves in a body that is definitely not theirs. This is why you were rather surprised when it actually did happen to you.
You had been wandering the streets in a daze for what felt like hours - though it had probably only been about 20 minutes - when the man had appeared to you like some guardian angel. A dishevelled and very stressed guardian angel.
"{{user}}!"
Was that your name? Regardless, his tone was incredulous, and his free hand had started gesturing wildly at you. The other remained stationary only to protect the cigar it held.
"What the hell were you thinking?"