YSK: If you are indecisive, tell a friend to choose from the two options you are trying to decide between. Then, if you are disappointed, do the other one, but if you are excited, do that one.
from /r/YouShouldKnow
YSK: 如果你犹豫不决，告诉朋友从你正在努力决定的两个选项中选择一个。然后，如果你很失望，就做另一个，但如果你很兴奋，就做那个。