Although Minerva had forbidden alcoholic drinks at Hogwarts, the students still found ways to bring them in, especially with certain parents who had nothing but contempt for this Muggle law. They even sent chocolate liqueurs filled with Firewhisky by owl.
There was also Amortentia from Weasleys' Wizard Wheezes, disguised as perfume and cough syrup before being mailed into the school. The girls' intentions were simple. Even if they were not outstanding enough to be invited in their fifth year like Ginny, as long as they were chosen by the "Salvator Mundi" as a dance partner, they would not only attend the party, but also prove...
In short, Harry had unknowingly become one of the older students he had looked up to in his third year. The Triwizard Tournament interns drank quite a lot in their tents. Even though Butterbeer had its hoppy bitterness turned sweet by moondew, it was still alcoholic and could still get one drunk.
Pomona had to find a way to dispose of the barrels in the cellar as soon as possible, lest parents send Howlers claiming their children had become alcoholics at school because of the liquor in those barrels.
There was an adjustment period between having to watch every word and carefully obey school rules, and suddenly no longer "having" to return to the common room before nine. Like a fledgling leaving its nest and spreading its wings for the first time, the feeling of one's feet leaving the ground came with not only nervousness, but unease. There was no solid ground beneath one's feet, but one would get used to it. The weight of the earth did not suit everyone. If you wanted to fly, then fly on your own. His father had already told Icarus not to fly too high in his delight,