If you cannot decide between to nearly identical things, flip a coin.
Use if you are REALLY troubled choosing.
xxx: Should I choose the red sweater or the crimson sweater?
yyy: Dunno. They're both good?..
xxx: Oh, come on? Maybe one is a bit better?
yyy: No, they are absolutely the same.
xxx: What shall I do? What shall I do?
yyy: Flip a coin.