How to say this?

Hello

I have a very good friend that I feel him like my brother and I would like to tell him “many thanks because you are always when I need a brother”

chokran bzaff

i would say

allah 7afdak nta 3aziz 3lia bzaf nta b7al khouya

god keep you you are very dear to me you are like my brother

thank you Achminfar!