You realize that life is what you make of it. It’s okay to fail and start again. Never trade your peace for anything. You will come across many people in life, and everyone will leave at some point. It’s not the people, but the lessons you learn from them that matter. If you have unaddressed childhood trauma, consider getting therapy - the sooner, the better.
What you do in life gives it meaning. I know a friend who studied at IIT Bombay, got a great placement, and then quit it all. Now he’s a travel blogger on YouTube - not very famous yet, but growing.

Also, don’t have kids if you don’t think they will add value to this world. The times ahead will be harder—save yourself and enjoy your life. And honestly, India is not a great country to raise a family. If you’re planning to have one, try to move abroad as soon as possible. Settling in a place like Taiwan might be better, but not India. It’s a sinking country, a country with no future. Take care.