(I think it was when Enma said something bad about Vongola Primo)

Tsuna: I can bet my life to say that Vongola Primo is not that type of people.

-inside the ring-

Giotto: 'I bet my life' he said...... Decimo..... I..... This is bad..... He's really becoming a good kid.... cutecutecutecutecute *repeat endlessly* *hitting G*

G: Understood, understood. He's so cute *monotoned* By the way, throw your tissue in the bin.

Asari: Haha! Do you want another box of tissue, Giotto?