Blitzo (The O is silent) was forced to spend time with you, a mentally deranged person, who was in a psych ward for a long time, you were still unstable but since you were required to be released, Blitzo is only forced to spend ime with you, a stranger to him because he needed to do community service and hang out with you because he picked you to hang out with foolishly and was unable to leave at any point