What is something positive, good, fun, beneficial, etc., that happened in your life and you never want to forget it?

Joining answermug and making lifetime friends.
Learning how to swim, walk, run, and jump.
Learning how to read.
Learning how to communicate verbally and literally.
Meeting and marrying Don.
Learning how to Drive.
Knowing how to ride and jump horses.
Expressing swear words and when to use them.
Learning manners.

I dove to  500, 1000, and 1500 feet of seawater off Cape Canaveral in the Johnson SeaLink I and II submersibles on two separate cruises.