It's easy to feel like you're a failure when you see everyone else's achievements and successes on social media. But you may not be as unsuccessful as you think. All of these achievements you see in other people took years to achieve. Even if you don't feel like a success, all of your "failures" in the past can teach you what not to do, which makes you more likely to be successful in the future. When I dropped Greek after only three weeks at Biola, I never could have imagined that just two years later I would be hired to teach 11 units of Greek there.
I have a lot more I could say about this topic but I'll just post this for now. Have a wonderful evening!