W-Well, I know that! [like this, it's easy to see that when koby blushes, it goes all the way down his neck, over his collarbone, down his chest -- he blushes with his whole body. he makes a face, scrunching up his nose and hiding against harry's chest, mumbling:] I was just -- giving you a frame of, um. Reference. That's all.

[peeking upwards, those big earnest eyes accompanying a more deliberate wiggle of his hips.] You don't need to hold back, is. Is what I mean. Not on my account.