The most popular posts on Brick Underground this week included a guide to what not to ask your rental broker, a story on NYC apartment buildings that are like dorms, and a primer on what's covered—and isn't—when something goes wrong in your co-op. Below, the top five stories of the week:

1. 12 ways the struggle is EXTRA real if you're a NYC mom

2. NYC apartment buildings that are like college dorms

3. Sex tips, free wi-fi, and more: Brokers share the most outlandish requests new NYC renters make

4. Inside Sunset Park, the city's largest (and growing) Chinatown

5. When something goes wrong in a co-op, what repairs are covered by the building?