Anyone feel “the spark?”

I hope everyone is well! I have a question to anyone that might have an answer/experience with this. So when you have a crush on someone, and or start to date them, do you feel a “spark”? It’s not always there but what I mean is that it just feels right… I was in a sort of relationship with an amazing person a few years back. she was sweet, funny, smart, and I was attracted to her. But I didn’t feel that “spark”. So I decided to not pursue things and we eventually just let things go. The other people I have gone on multiple dates with, have been friends that I feel that “spark” with. I know love isn’t what it is in the movies, it’s not 24/7 your feeling extreme joy. But does that spark mean something or no? Does this happen to anyone else? Should I let it decide who I date?

Also, I’m not used to reddit, so sorry for the poor formatting