Jangan bersikap pamrih. Jadilah pendengar yang baik. Bantulah teman menghadapi pergelutan hidup. Temani teman Anda di tengah krisis. Berikan nasihat yang bijaksana. Berikan ruang yang teman Anda butuhkan.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Though you can't be selfless all the time, being selfless is an important part of being a good friend. Accommodate your friend's wishes whenever you can, provided this is done in a balanced way. Reciprocate his or her acts of kindness with caring deeds of your own, and your friendship will be strengthened. If you get a reputation for being selfish and only being around your friends when you need some help, then people will know you're not looking out for them.  Do a favor for your friend just ou