Running a boat is a great extension to the soul. Like anything, the more you learn the more fun it becomes.
Ask questions, be humble, receptive and patient.
Think "what if" all the time.. have a plan for basic whoopies such as what to do when you are unsure of where you are going, when you cannot see, when water becomes to rough, what level of lake conditions are unsafe. what is unsafe ..
Know who to contact
have a way to contact .. help thaT IS
have charts..
life coats
be mindful of those that are around you..
be respectful
be seen at night
share the waters
keep voices down in quiet times.. sounds travels over water ..
tie your boat with proper knots
maintain your boat..
go to the ocean and take a coast guard auxiliary class..
there are many things..
prepare for weather or travel times beyond you initial intentions other outside of the "just going out for an hour"
have fun.
learn how you boat works ..
have fun :

)
make sure your guests are comfortable
bring water,
have warm clothes,
an anochor,
and a sense of adventure with mindset on prudent travel