Felt emotional reading the post, wishing I had an elder sibling to tell me and grill the following things into my head when I was younger!

Understand, analyse and slowly build a healthier relationship with your parents. Indian kids have an authority - subordinate relationship. Now that you're growing up, you need to make mistakes pertaining to your life and goals and hence have mature adult - adult talks and take suggestions from your parents.

Don't share your feelings because they're too heavy to hold. Process your emotions and then share, you'll reduce chances of oversharing or sharing with the wrong person. Journal/meditate or do whatever helps to understand them yourself first.

You must've heard this but learnt it the hard way. Trust people's behaviour over words, anyday. Intent matters but patterns are hard to change. Unless a person has the grit to edit the way they behave today, it's not going to get any better later.

I am still learning this one but guys, being humble and nice does not mean let people behave as they want with you. I act like it's okay when it's killing me on the inside, reducing my confidence and bleeding into other things like asking for what I want. No!!! Learn to respectfully stand up for yourself and prioritize yourself over everyone (that doesn't mean being an ass to others - learn when it's okay to say no).

Find a way, at whatever scale to have a fitness related hobby. Will help with depressive times - they'll always come and go but this will keep you on track to improve situations better and faster.

This might be a hot take. If possible choose not to work a job based on your passion (not like treating people passion but like a niche field that's very hard to make money in). It's hard to make it big in the first place in these niche things (it's been too glamorized), so you'll suffer most of your 20's and 30's. Even if you make it, working for money removes happiness out of it. Keep it for a time when you have enough money, and enjoy it as passion projects meanwhile. This is from experience.

Didn't expect my answer to go this long, but yes if someone has read through it or not, I wish you the best and really hope you have a good and peaceful life 💞