Easier said than done, OP, but try not to build this up into a huge thing in your own mind.
The more focussed you are on something, the more you notice - and none of us are perfect.
Shortly after we moved here into our Victorian terraced house , one peaceful, quiet Sunday I suddenly heard this God awful mega loud screeching noise.
It was our next door neighbour on his electric guitar - which he clearly had no idea how to play.
My heart sank and, in my mind, the vendors had sold to us just to get away from him and his noise.
5 minutes later (maybe even less) the noise stopped and I didn't hear it again for several months.
It did become a regular feature and was quite funny.
We decided that he found the noise of his attempted guitar playing, even less tolerable than we did which is probably why it never went on for very long.
He was an odd body, no doubt.
We discovered that he'd been prosecuted, in the past, for stealing ladies knickers off their washing lines!
Funnily enough, that never bothered me as I suspected my sensible pants would hold no allure for him.
He didn't bother me at all as a neighbour, because, other than the random guitar riffs, I didn't give him head space so was oblivious to what he may be getting up to in his house.
My ramble is to say that, on paper my guitar man neighbour wasn't someone you would choose to live next door to but, in reality, he was fine. He didn't trouble us, nor we him.
Good luck.
I hope you get someone truly lovely moving in next door.