Proverb or sayings

Love is blind. Opposites attract. When you say "opposites attract", I presume you mean people who have different characters likely to come up with each other and keep their relation very good. You can't teach an old dog new tricks. Youth is wasted on the young. Money doesn't grow on trees. A fool and his money are soon parted.Many hands make light work. All work and no play makes Jack a dull boy. I think they all are sometimes true, sometimes wrong. It makes you think, doesn't it? Well, for example my friend goes out with this real slob, but she thinks he's great.