[GuinnessStout]

Oh not just boredom they also chew up things from anxiety too, I know because I have mastered the art of filling holes in the wall with plaster lol
And if yours is wild like mine make sure the xpen is secured or has a way to lock the sides!! Guinness would put his nose in the corner of his push it all over the house while we were gone trying to pull all kind of stuff through the holes in the pen.