Can this marriage be saved?

You’re at a dinner party. Your hostess regales you with a long, meandering tale of her recent back surgery. It ends with attempted humor: she laughs and glances at you. You laugh in response, trying to convey an appreciation for her humor that you don’t actually feel.... With your spouse of 25 years, you can simply stare at him stony-faced when he tells you his favorite “funny” story yet again.

If the story makes my spouse happy, it makes me happy, and I'll at least smile at that.