He slept until he woke naturally, with his little sister (girlfriend) delivering all three meals. Life was heavenly.
The only blemish was that Snape put him through the wringer every single night without fail, probably because Snape's "little secret" had been discovered.
He had changed his teaching methods without asking Su Er's permission.
Make no mistake, he was not trying to please Su Er so that he would not reveal that little secret. Instead, before their daily Occlumency practice, he had added a magical "duel" that looked like a fair one-on-one fight on the surface but was really an adult bullying a child.
He might as well have written "this is revenge" across his face.
Although he suffered a double beating to his body and soul every night, Su Er's improvement was exceptionally obvious. Though he still had some way to go before defeating the great demon king Snape, having some way to go was much better than having no hope of ever reaching him.
Perhaps even Snape himself had not realized that a high-level fighter thrashing a child was also a way for that child to grow stronger. He would not die, after all. At worst, it would hurt a little.
He had indeed learned plenty of useful things from Snape's fighting style.
To thank Professor Snape for "holding nothing back in his teaching," Su Er had already decided what gift to give his "beloved" teacher at Christmas, which was still eight months away.
Hermione came to Su Er's place every day to read books about becoming an Animagus, working out calculations on parchment to determine how she could guarantee success on her first attempt.
But this was magic that depended on whether Merlin felt like doing you a favor. If he thought you could do it, you would