Don't exceed the limits listed on the capacity plate .
Sit down
Use a chart which shows the depth of water to plot where you want to go and where you are.
Consult up-to-date charts, and keep a weather eye out.
The boat does indeed move on the Seabourn Cruise. The best way to avoid seasickness is to take medication, such as Dramamine, both before you get on the boat and then at regular intervals during your cruise.
The best way to avoid procrastination is to formulate an urgency or priority list to work by.
By boat
Definitely finding a longer or heavier dagger board which will lower the boat's center of gravity. You could also try throwing your weight over the opposite side of the boat as it tips when you really get some speed.
avoid exercise when it is warm outside
By boat or Airplane
The best way to pass a fishing boat in a courteous manner is with minimum wake and well away from fishing lines.
The best way to avoid them is to stay indoors. But you don't want that.