Stop caring so much. People are selfish. They don't say things, they project who they are. Stop taking it personally. Be thick skinned. Let opinions pass. Let judgments pass. Just stay with you. Ask "who am I?". And live from there. That's your core. That's your operating system.
Be boring in the right ways. Go to bed early. Wake up early. Eat simple foods. Save money. Exercise. Read old books. Avoid drama. Boring is seriously underrated.