The flight was smooth and the crew was entertaining. 1. It wasn't clear on Kayak that carry-on luggage prices increased to $45 at 24 hour check-in, and $100 at gate 2. Their 24 hour check-in page broke multiple times when attempting to check in 3.
While you cannot choose single on your taxes when you're married, you can file as married filing separately instead. It's similar to filing as a single person, only you acknowledge the fact that you're legally married.
According to the IRS, your filing status is single if, on the last day of the year, you are unmarried or legally separated from your spouse under a divorce or separate maintenance decree, and you do not qualify for another filing status.