Knowing what you like and dislike, what you do well in and what you find difficult allows you tomakebetter decisions about friendships, schoolwork and so on.
知道你喜欢什么，不喜欢什么，你擅长什么，你觉得什么困难，可以让你在友情、学业等方面做出更好的决定。
2
You ought to be able tomakebetter-informed, more reasonable decisions.
你应该能做出更明智、更合理的决定。
3
By knowing precisely what you are receiving and what you are missing out on, you ought to be able tomakebetter decisions.