He smiled. "He hates Portkeys," he said immediately, because he knew that it would be his father's reaction. "However, I'm surprised that he stopped arguing." He didn't think his father ever stopped arguing.
James took the vial and put it away. "Is it addictive? Should I take it only for the major ones? Take something else when they aren't so bad? You keep forgetting to give that kind of information for those of us who don't recognise potions by their container."
He snorted. "Not that good. I told you that I could only kill a few. No where near good enough. I asked Sirius to start throwing hexes at me, because while animals run away, I'm pretty sure Voldemort will hex back. I'm also getting sick and tired of severing spells. Anything else, and don't start with the Dark art lecture, because I'm sure you know one or two spells that aren't dark that can still cut people."