Running to pursue a goal is a type of realm, the exhaustion of which challenge the challenge is a kind of joy, smiling through the tribulation is a kind of happiness.
In life there are many times, tired and tireless, not only determined by the situation itself, but ultimately determined by the attitude towards our affairs.
When doing some of the things that we wish, love, even tired, is still happy! So, when faced with things we do not want to do, but can not do without, first, let's learn how to like it.