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.
If you are married, then you and your spouse can file separate tax returns. The married filing separately (MFS) filing status is generally perceived as the least beneficial of all the filing statuses.