The mystery of kissing and the Doctor got engaged "-_^"

“Guys! We’ve really gotta go quite quickly, I just accidentally got engaged to Marilyn Monroe…you…how…is…how do you keep going like that? Do you breathe out of your ears?! Hello? Sorry, hello? Guys! Right, fine. Thank you. I’ll just go and get married then shall I? Let’s see how you like that. Marilyn! Get your coat

just one word...

HOW?