If it is true that...

Parents are often perceived as uncool, dull, and responsible

and

Having children can result in serious chemical changes in the parent

Then it must be true that...

Having children can be a wonderful experience despite initial fears

If it is true that...

Parents are often perceived as uncool, dull, and responsible

Then it must be true that...

Once a person has children, they're likely to care more about them than about themselves