"You did perfectly fine," Kaiba reassured him, kissing his cheek as he held a treat up to Yugi's lips. There was an odd playful glint in his eye now.

Although...maybe...

He took a deep breath and looked seriously at Yugi, once done with the 'feeding'.

"I thought...we could...are we ready?"

He doesn't say ready for what, but the blush might be a clue.