They know that people will like it..only sane people I mean.
Sanity is relative though.

Weight

He has been feeling something really heavy inside him. He feels it all through the day as he carries out his everyday chores and till late in the night before he falls asleep.

Sometimes the load would become unbearable. Breathing would become difficult and then the heart would feel like it has been covered with sludge. This would last only for a few seconds, though, so there is no fear of life. But he knows that he is dying with every passing moment.