That's why some guys with 20 handicaps buy a new set of irons every year. They don't work on their swing, so they figure new clubs will help them. It doesn't work and they're back at it the next year. There certainly is a mental aspect to shaving, in fact it may be the biggest part of it. If your mind isn't into it properly, you'll be out buying a styptic pencil fast.
Sometimes the shave is special just because the razor you are using is. That's why big blades, customs and beautiful restored razors are so popular. It transcends the shave quality.