Yup ....lemonlaura
I'll have what she's having
That's great advice ... definitely try that
It's a little separation anxiety setting in
He's coming to the conclusion that you are gone a while and he's getting bored
hence the acting out
I once had a Puppy festoon my house with toilet paper when she realized the end could be pulled free

also try leaving a radio or TV on so he can hear voices
that sometimes works too