Rose has always been feisty and strong-filled, with an explosive temper that can erupt at any moment.
Pregnancy doesn't help that at all.
Chris finds himself constantly out of the house on shopping runs to find food for odd cravings, odder than most as the baby seems to have inherited the tenth Doctors insatiable taste buds.
He's constantly finding himself on the other end of Rose's wrath, as around as he is, hovering like a mother hen - perhaps too much so sometimes.
She cries about gaining weight and her swollen ankles and at soppy films, and also at action ones. She cries at everything.
She also screams a lot.
Jackie explains that it is completely normal.
(The thought doesn't reassure him.)