write your suggestion based on the situation give below: 1. I always forget the thing I have to do.

make a note about a thing that you want to do in phone, book and anything else that you can practicaly use

i suggest you to memorize what you have to do next time by writing what you have to do on a sticky notes, so if you forget what you have to do, you can see it on yours sticky notes.. 

smoga bisa membantu