Answer:
I spend the day at the window go to the table for meals and hide at night.
I'm not really more than holes tied to more holes; I'm strong as good steel, though not as stiff as a pole.
I am what one cannot keep, two cannot hold, and three cannot destroy. What am I?
Blade to blade I always win My foe laid low and even. Yard by yard through thick and thin I'm busiest in season.
My second is performed by my first. A thief by the marks of my whole might be caught. What am I?
What never gets any wetter no matter how hard it rains?