I only want my love to grow with you
my only wish is that my love grows with you
I only want that my love grows with you and everything else should grow independently
I want that only my love grows with you and nothing else should grow
I only want, my love, to grow with you - no other relationship, thanks
I only want to have my love so I can grow with you
I only want my love to grow with you, and none of my other things are considered here
I only want (but not require, not demand, not expect) my love to grow with you