Let's make a list. Add your favorite symptoms.
You have knife making disease when...
You sand knife handles while watching TV.
You look at any stray scrap of steel, wood, bone, etc. in terms of whether you could use it to make a knife.
Your shop is full of the previously mentioned stray scraps.
You read Blade and Knives Illustrated in the bathroom instead of Playboy or Sports Illustrated.
You never throw away an old copy of a knife magazine.
Vacations are planned so you can attend knife shows.
You frequently stay up past midnight planning/making that new knife.
You spend more than one hour a day in the Blade Forums Shop Talk.
You have half-finished knives scattered throughout the house.
You have dried epoxy on your hands/clothing.
You usually have several small knife cuts on your hands in various stages of healing.
You always want more/better knife making equipment.
You can't afford all the knife making equipment you want.
You have at least two Rube Goldberg contraptions in your shop that you made in hopes of making a better knife.
You have knife making disease when...
You sand knife handles while watching TV.
You look at any stray scrap of steel, wood, bone, etc. in terms of whether you could use it to make a knife.
Your shop is full of the previously mentioned stray scraps.
You read Blade and Knives Illustrated in the bathroom instead of Playboy or Sports Illustrated.
You never throw away an old copy of a knife magazine.
Vacations are planned so you can attend knife shows.
You frequently stay up past midnight planning/making that new knife.
You spend more than one hour a day in the Blade Forums Shop Talk.
You have half-finished knives scattered throughout the house.
You have dried epoxy on your hands/clothing.
You usually have several small knife cuts on your hands in various stages of healing.
You always want more/better knife making equipment.
You can't afford all the knife making equipment you want.
You have at least two Rube Goldberg contraptions in your shop that you made in hopes of making a better knife.