Are these sentences natural? XVII.V.MMXIX

To A Cactus
Oh cactus with your tender, moist flesh barbs. Prickle like a huge coat rack. Are you inviting me to hangout with?

That's will be £12 on top of that.

We go to the beach and on top of that we have to get a sun cream.

The most thrilling moment was when people started baking.

I was prone to constipation even as a teenager.

He was washing the dishes then he back out.

I've finally been on the same page with my sister. She agree with my idea.

Oh man your boyfriend is really irksome.

An old cantankerous man had nothing to do, yelling at his neighbors.