It's so nice that you're able to care for your friends the way you do.
I hope you keep caring about yourself and other people all your life.
この場合、次のような言い方ができますよ。
ーYou've matured so much physically and mentally.
「心も体もとても成長しましたね」
ーIt's so nice that you're able to care for your friends the way you do.
「お友達を思いやることができていてすごく嬉しいです」
ーI hope you keep caring about yourself and other people all your life.
「これからも自分と周りの人を大切にしていってください」
ご参考まで!