Best Proposal Lines in English

I found a reason to smile, the day I found you. Will you allow me to be your smile?

I cannot express in words what I feel when I see you smiling. Would you like to go inside my heart and know that feeling?

You are the one I was looking for and let it be known that I need you for my whole life, from this day till my whole life journey.

I love you. I never want to be separated from you, would you like to support me for the rest of my life?

Only you exist in my world. I do everything to see a smile on your face.

I will love you forever and ever, everywhere I will be with you, I will do everything for you.

My love for you is like a circle – it has no beginning and it will have no end.

I am sure that I am born only for this, can love you, Just because you can be mine one day.

Love is like air, you can't see it but feel it. And, I feel it every time when I am with you.