One Of Those (слэш)

“So is this it, then? Are you two finally going to make me a mum?” he asked his belly, dragging a finger up from his navel as the weak spasm skittered from his back around to the front of his belly, gripping weakly for twenty seconds before ebbing away. “It sure feels like it. Perhaps I should walk around some, see if I can get those pesky contractions to get a bit stronger.” He was considering putting on his shoes and sneaking outside when he felt something dampen the seat of his trousers. He frowned. Not his waters, surely not yet…
Then the smell hit him. It smelt like his heat but different, somehow. He shifted experimentally on the sofa, back and forth a little, and he was surprised when a frisson of heat sparked up his spine and pulled a moan from his throat. Oh...