if someone asks you to make dua for them, actually do it when you remember. even if it's days later while you're walking somewhere or sitting alone. they may have forgotten they ever asked, but Allah hasn't forgotten the person you mentioned.
jangan buat janji kalau ga bisa tepatin. lo gatau gimana excitednya orang yang udah lo janjiin itu, gimana dia udah ngebayangin banyak hal untuk janji itu, stop buat janji if you donβt mean it.