爱是以个难题，既要面包，也要感情。时间、地点的改变都会影响人的情感。只有永远的伤痛，没用永恒的快乐.
In this world u have alot kinds of love!
Family love, Friend Love and more ....
If you are talking about the love between woman and man.
Test
ask your self do you want to be with him or her forever?
ask your self do you trust him no matter what people said?
ask your self do you feel happy when you hangout with him and when you feel sad , do you want him to be next to your?
你知道什么是幸福吗？
如果你跟一个人在一起非常幸福，那说明你爱他。
你說的都對啊!因為沒有愛，你不會跟他(她)在一起的，沒有愛，你們在一起時不會感到快樂的，沒有愛，你們誰也不會去真心付出的。至於說婆孫、母子等等關係的愛，不也是人類所有愛中的一種嗎？這些所有的愛都具備你所說的幾點喔!