[I] went into a wine shop the other day to buy pasta and they did not have pasta[,] but they were doing a wine tasting[,] so i thought what the hell. [A]nd [I] got to chatting with the other woman there[,] because we had both just come from the library and were comparing our books and sipping wine and[,] turns out[,] we're both teachers[,] so we got on the topic of phones in classrooms—and the guy pouring our wine was like[:] 'that's actually a point of contention in one of my divorces right now'.
[A]nd i very delicately said 'one of your divorces?' and his eyes got really big and he said [']IM A PARALEGAL[']

It only takes only a few punctuation marks to make it grammatically correct. Noticably not a single full stop is missing, so it's not even a run-on sentence in the classical sense. This is closer to a stylistic device called 'stream of consciousness'.

Or are you bothered that the sentence is long? In that case I got bad news about classical literature for you, you better stay clear of the likes of Thomas Mann