12 years, 10 months.

Dear Jack,
This past Saturday morning, you asked me to take you to a nearby creek so you could test out your newest fishing traps you created.
We spent two solid hours there in the water; as the mosquitoes particularly loved my blood test, but not yours.
You tried out your customized net, fishing pole, and special trap you made using a water bottle.
Sure enough, your hard work was worth it. You caught plenty of little fish; as well as crawfish.
You enjoyed it so much, you are now working on newer, improved versions of your fishing traps.
Love,
Daddy