, to Seattle, I was shocked that a

last week that major airlines were charging more for passengers booking a single ticket.“We stumbled upon a new pricing strategy that was not very widespread but no less troubling at the nation’s three largest airlines," Kyle Potter, executive Editor of Thrifty Traveler, told USA TODAY. “This is what they do with all of their fares, they roll things out on a limited basis and slowly expand until it becomes ubiquitous.”

Potter said he wasn't able to get any airlines to go on the record about the specifics behind their pricing policies, and that after his report published, Delta Air Lines and United Airlines eliminated solo pricing rules in their fare classes, leaving American Airlines as the only carrier that still seems to be profiting from the fare differential on some routes.USA TODAY reached out to the airlines for comment.Still, the report left many passengers wondering what was going on, so here's what you need to know.

Yes, at least sometimes. Thrifty Traveler was able to find multiple examples of airlines charging higher fares for single passengers, though it wasn't being applied evenly across airlines' networks."Based on our hundreds of searches, we were only seeing it on select domestic one-way flights," Potter said.

It's not very common.

“In terms of the hit rate, it was probably in the neighborhood of five to 10 out of 100 domestic one-way searches without any real pattern for which routes they were deploying this on that we could see," Potter saidAfter 12 years of trying to get pregnant,

decided it was time to stop — and what she realized next was unexpected.The 46-year-old British podcaster and novelist, who hosts the podcast

says she always knew she wanted to have kids. Growing up in a heteronormative family with two sisters and two parents, Day believed she was going to be a mother from the very beginning."I don't think I ever questioned the fact that I would have children," she tells PEOPLE.