Like a fire extinguisher, you hope you never need it but when you do need to winchout of a sticky situation, you don't want to doubt the choices you made.
就像一个灭火器，你希望你永远不再需要它，但当你需要绞车出一个棘手的情况下，您不想怀疑您的选择。
3
As Winch observed, it's the balancing out of sociological likenesses and psychological differences that seems to point the way for the most solid lifelong romance.