The great Charisma on Command Youtube channel has a great video that takes on why Instagram (and other social media sites to a lesser degree) or so bad for your mental health. Instagram particularly increases the FOMO (Fear of Missing Out) which I have talked about before. Everyone puts ups a curated version of their life that makes it look like they are "living the dream."
Then, when you see all of these curated lives in a sequence with just the highlights being shown, it looks like your life is pathetic by comparison. But it's not folks. It's all a bogus illusion. It's probably best to delete your Instagram and spend less time on social media in general.
"Every day is a new life to the wise man."
The Righteous Mind
Star Slate Codex
Consulting by RPM