xxx (10:19:49 20/03/2009)
Are you so damaged?

yyy (10:21:14 20/03/2009)
Why are you so informal?

yyy (10:21:34 20/03/2009)
It’s like asking why the sun is shining.

yyy (10:21:44 20/03/2009)
Or: Why is it raining?

xxx (10:22:32 20/03/2009)
The sun shines because there are thermonuclear reactions and hydrogen is converted into helium. They happen with a huge amount of energy. Here it shines.

xxx (10:23:14 20/03/2009)
Rain comes because when the temperature drops, the moisture in the air condenses and falls to the ground due to rainfall. Here he goes.

xxx (10:23:30 20/03/2009)
Are you so damaged?