There is a kind of feeling called "heartache

There is a kind of feeling called "heartache There is a kind of love be called to let 英语翻译There is a kind of lovling called leaving... There is a kind of sadness called disappointment. The feeling of heartache Think you is a kind of heartache of suffering如何解释? Not to say that there is a kind of love called letting go,wh It is a kind of feeling to like Pain is just a kind of feeling,bitter is just a kind of tast There is a kind of love This kind of feeling is right or this kind of shoes is called trainers