There's the cliche of the curmudgeonly comic – grouchy, aloof, a bit passive aggressive – and there's the one who can't switch off, and craves laughter like you or I need oxygen.
2
爱有稚气,其他感情有小气。
Love has its childishness, other passions have their pettinesses.
3
人们会变得小气,吝于付出他们的爱与欢乐,因为他们认为奉献就是在奉献自己所拥有的东西。
People have become stingy, miserly with their love, with their joy, simply because they only think that giving means things.