I myself am doing a full year of experiments every seven years, but I'm sure many other divisions are possible, depending on the field, the possibilities, and personal preferences. One hour a day or a day a week.
Keeping a diary supports personal development.
Hobbies are for people that don't like what they're doing.
Complaining is silly. Either act or forget.
Peter Noever is a pain in the ass and a joy in the heart.
My granddad wanted to become a sign painter and designer, but was stopped; my dad would have had a real talent for language, but was stopped. When I expressed a desire to become a graphic designer, I was not stopped.