Steve McConnell makes some good points about this in Code Complete too, one of which is "small methods tend to become bigger". Even if it started out as a one-l

Steve McConnell makes some good points about this in Code Complete too, one of which is "small methods tend to become bigger". Even if it started out as a one-line method, it is not unusual to later find the need to add something else to it. This is from memory (I don't have the book here), so I can't give a more specific reference to it.