You must love yourself first- Humein pehle khud se pyar karna chahiye. I suffered, I learned, I changed- Maine saha/bhugta, maine sikha, mai badli (Or a more formal way of saying it is" Maine apne aap ko badla=I changed myself)

you must love yourself first-पहले स्वयं से प्रेम करें I suffered- मैं पीड़ित हुआ I learned- मैंने सीखा I changed- मैं बदल गया (Male) / मैं बदल गयी (Female)

You must love yourself first- Hamay apne andar kee aawaaj pahachaananee chaahiye to hee apne aap aap par pyaar karnaa seekh sakate ho. It also means : try to know yourself : pahaley apney aap ko pahachaano. = Who am I ? I suffered, I learned, I changed = I think, you mean to say - I have (so far) suffered a lot, I learnt from many (life) experiences, ultimately (i have learnt) How to change and adjust to the situation (you are facing). = Aaj tuk maine bahut saha hai, jo anubhav muzay miley oos say (aaj tak) maine bahut kuch seekhaa hai. Maine tay kiyaa kee muzay ab badalnaa hoga / chaahiye aur mai (apne aap ko) badlaa / mai apnay aap badli.