When you're trying to solve a problem on a new product type, you become completely focused on problems that seem a number of steps removed from the main product. That problem solving can appear a little abstract, and it is easy to lose sight of the product.
If you've done what you need to do, you need to go bury yourself, because what else are you going to do? I think that that's where life stops.
There are many advantages in their being accustomed to the use of arms, and no possible disadvantage.

