Напиши о своем друге. А вообще можно так : we are friends for a long time. I love him ( her ) very much! He (she) is always helping me with problems I have,and I help her (him) with his. I hope we'll be friends for a long time and I think that he hope that too.
Типа того что то. И еще в начале можно его (ее) описать)