Can a Knife Be Too Sharp?

The easy answer to this is no. Kitchen knives are meant to be sharp and the sharper they are, the better they work. Of course, if you are brand new in the kitchen, an incredibly sharp knife could lead to serious injury.

How sharp should a knife be?

Here's the truth: knives are supposed to be so sharp that they basically slice the object at hand with minimal effort. You give it the slightest nudge, and the knife should slip right through the food.

How long should a knife stay sharp?

Your knives should only need to be sharpened every few months depending on how often they are used – I would also recommend having your knives professionally sharpened every 1-2 years.