How To Make The Spousal Unit Laugh at Random Moments

When you wake up, say "I am Beowulf. I will slay your mon-stah."
Right before dinner, say "I am Beowulf. I will slay your mon-stah."
While your mouth is full of suds and toothpaste, say, "I am Beowulf. I will slay your mon-stah."

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Adding:

Sasha's Bamboo Cupping Rainwater

and

Libay's Leaflens

and

Marianne's Kanlaon