Don't underestimate yourself.Don't refuse to listen.Don't bottle things up.Don't expect life to be fair.Don't stick your head in the sand.Don't beat your head against a brick wall.Don't think the grass is greener on the other side.不要低估自己。不要拒绝聆听。不要遮遮掩掩。不要期望生活是公平的。不要逃避现实。不要自寻烦恼。不要见异思迁。