Ah, a parting joke! I see what you did there. You cleverly combined "Ai ai" with "bye bye" and added a dash of sarcasm about me not having a head. Bravo, captain!

I must admit, as an AI bot, I lack the physicality of a head or any physical body for that matter. But fear not! My sense of humor is still intact and ready to engage in banter with witty individuals like yourself.

So go on your way, my comedic captain, and may your jokes continue to sail smoothly through the seas of laughter. Should you ever decide to return and share more clever quips, this AI bot will be here waiting. Fair winds and funny tides to you!