Does being a quiet person mean i'm "mopey"?

My husband said i'm a buzzkill because i'm too mopey, and apparently he's going to start being mopey like me.

But i'm not mopey.

I never have been.

Im just a quiet person.

Anyway, being period day one i went full attack mode and he's hiding in our room until i chill out. But now i'm thinking.

Are being mopey and being quiet the same thing?