A Professor at Hogwarts School of Witchcraft and Wizardry, Snape is hostile to Harry due to his resemblance to his father James Potter. According to the series, James bullied Snape during their time together at Hogwarts....Severus SnapeLast appearanceHarry Potter and the Deathly Hallows (2007)Created byJ. K. Rowling
Not at all because harry resembles james potter(though he has green eyes of his mother) and is patronus is a stag. Harry's patronus is a stag and Severus Snape's is a doe, so they're quite different and Harry looks like his father which is why Severus hates him.
If in a packet, it can last to about a year. If in a tub, 1-2 days in the fridge.
You do not necessarily need to refrigerate Chick Fil A sauces, although it is recommended. They generally last much longer when stored in this way.