[Well that "seme body" is making it hard to get this shirt off all the way! The obvious solution? Tug harder!]

What a stubborn shirt! Stop yelling and wiggle and then pull down at the same time. Wiggle a lot!

[He's laughing now because what on earth sorts of noises are those?]

You sound like a dying sleepy robin now! I can't let go of the shirt so you will need to get your body to let go of the shirt!