Oh mercy, did he just say what she thinks he said? That might be too much power for one person to have! "Withou... without telling..." Just ambushing him out of nowhere, catching her beloved off guard and having her horrible, wicked naughty way with him -- oh gods that sent a shiver down her spine, "A...are you sure you know what you're saying, right now.." Giving her THAT much free reign over him could be dangerous!

... poor Komui, if he only knew how liberated Lenalee was being under Allen's influence. But hey, they were basically married sort of, so it was fine right?