"Even more ridiculous considering that people in the other Houses are just as likely to start going on about their lineage and how pure their blood is when pressed." Severus took a deep breath and exhaled with a sigh before his temper managed to put him off his food. "There are just as many blood status bigots outside Slytherin House as in, but blood purity is only 'evil' when we espouse it." With another sigh, he realised his attempts to curb his anger weren't really helping his appetite. "Let's talk about something else," he added in a feeble whisper.