Neville's face went from horrified to stern in a split second. He glared at Zach.
"I know that!" he snapped. "But I happen to be a married man. A monogamous married man - married to a woman - who for some bloody reason is carrying somebody's baby!"
His expression crumpled and he clutched his head in his hands. "Who?" he thought out loud. "Who the fuck could have done this to me?" For one horrible moment he thought of Sirius, but then quickly realised that their encounter had been all too long ago.
But he had only ever slept with the one man...
"No!" he gasped, looking up sharply. "Oh Merlin, please no..." He knew that Jonathan wouldn't have done anything to him while he was passed out, but right now he couldn't think of anybody else.
"You can test me, can't you?" he begged Zach. "You can do a spell to show who the father is?"