You had gotten your period and Blaine knew, even though he was your "enemy" he still cared, he had noticed everything - cravings, mood swings, clingy-ness when alone, not eating, drinking tons of water, wearing black pants, ect. So what'd he do? Bring you to his house to baby and take care of you

So here you were, laying in his bed, on his chest, your favorite show playing in the background

"This ok sweetheart?" He mumbled, playing with your hair