There is a fact that says that if you stay in the toilet for too long spending your time shtting and reading... there is a high chance of you developing piles (haemorrhoids) as you are allowing your stool to compress towards the mucosal lining of the anus for a longer period of time...
The concentration power needed to poop is diverted to the brain as you read your text, hence you "forget" to poop, so you leave the poop there for a longer time, and hence compressing onto it and loosening the smooth muscles and the elastic tissues which holds the bands of blood vessels there...
