你妻子喘不过气是因为我。

Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

烘焙的快乐来自于分享——无论是知识还是成品。

解释：观察与他交游的人，就知道他的品行好坏。