A mother-in-law doesn't trust her sons-in-law...
...so she decides to test them.
First, she goes to the oldest's house. She jumps into a well, but her son-in-law rescues her promptly. The next morning, the oldest son-in-law finds a brand new Suzuki in front of his house with a little note: "Lots of love, your mother-in-law".
The next day, she goes to her second son-in-law's house. She jumps into a well once again. Her son-in-law rescues her, but only after pondering about the decision for a w…