You're living in my heart now, and I'm going to grow into a walking tree. What does it mean?

You live in my heart, I also want to grow into a walking tree means that the sycamore tree does not ask for, selfless spirit has been y imprinted in my heart. I want to be like this sycamore tree, to be a person who brings benefits to people, asks for nothing in return and gives quietly. This sentence expresses the author's admiration for the sycamore tree and his determination to learn from the sycamore tree.