I don't mean this as dismissively as it may sound, but it seems possible you'll figure this out in a personal sense over the coming years.
As an older person, I really find it difficult to care if a particular friend didn't like an Instagram pic I posted. I really don't care how quickly they liked it and I don't even know which of my Facebook friends don't follow me on Instagram. They are all social interactions that add complexity and richness to the experience, and I don't pay attention to any of them.
I do. Biologically? Maybe. Mentally? I doubt it a lot. I know lots of people of all ages who use Facebook for the most vapid, shallow, and empty experiences. Socially or not.