I thought it was best by on milk, too. I've drank it a few days after that date before and it was fine. Definitely wouldn't risk a full week after, though. Lol.
Just checked the milk in my fridge and it’s only says a date and nothing else. Opening to interpretation lol. Try at your own risk.
PC GAMING: BEST GAMES. WORST CONTROLS
A mouse & keyboard are made for sending email and typing internet badassery. Not for playing video games!!!