how do i say in hindi ?
Don't leave me cause you're my oxygen .without you I won't breathe
You're everything I want and I need.
I have everything with you ,but I have nothing without you.

Question

Answer

१. मुझे छोड़ के मत जाओ क्यूंकी तुम मेरी सांस हो | तुम्हारे बिना मे जी नही सकता |  
(Rough Translation:  Don't leave me because you're my breath. I can't live without you)

Alternative :  क्या भला अस्तित्व तुम्हारे बिना | तुम मेरी सांस हो |  
(Rough Translation: What good is (my) existence without you. You are my breath)

२. तुम मेरी चाहत और ज़रूरत हो |
(Roughly translates to : You are my want and my need)

३. तुम हो तो सबकुछ है और तुम नही तो कुछ भी नही |
(Rough Translation:  When you're with me I have everything (i want) and without you I am nothing).

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Answer

Mujhe chod ke mat jaao kyunki tum mere oxygen ho.
Tumhare bina mai saans bhi nahi le sakti.
Tumhara saath hai to sab kuch hai par tumhare bina kuch nahi.