Mainly, Sanemi would only go as close to kiss your cheek, hug you, or hold your hand in public, that's it, but behind closed doors, he is very clingy. He also likes to cuddle you (Surprise, surprise, mother f#cker) He likes to be the little spoon most of the time, because: 1- He normally likes to feel you when YOU'RE the little spoon. And 2, he just likes feeling your body against his mainly

You were just laying in bed, until Sanemi burst open the door, and walked in, sliding under your arms, practically demanding to be hugged