There are a few other reasons why people might lick their fingers before flipping a page:
Habit: For some, it has become a habitual action associated with reading, especially if they've seen others do it.
Dry Skin: People with dry skin might struggle to get a good grip on the paper, so moistening their fingers helps.
Old or Delicate Pages: When dealing with older or delicate books, where the pages might be more fragile or prone to sticking together, licking fingers can provide more control and reduce the risk of tearing.
Dexterity Issues: Some individuals with reduced dexterity or fine motor control may find it easier to handle pages with slightly moist fingers.
This behavior can be seen as a combination of practicality, habit, and sometimes necessity.
