Seems to be a minhag that a fiance shall not sleep at his future in-law's house. Even just as a guest for one night. And obviously, even if there is no problem of yichud. Is there a reference in posqim about this minhag?

My wife recently switched from using wax candles to oil in glass cups when lighting for Shabbat. The cups were about half water, half oil. She put some floating wicks in and lit them the way she normally lights. About 20 minutes later, the entire surface of the oil cup was on fire, and spitting t...

Most wax Shabbat candles that I have seen tend to stay lit approximately 4 hours. Some, I've seen stay lit closer to 6 hours. Is there a reason as to why these candles last for that time? Can one use Chanukah candles (which stay lit for about 30 - 45 minutes)? Or, is there a minimum amount of ti...

For those who missed it: This program was first proposed here; the first round took place here; and the changes to the competition for this round were discussed here. Welcome to the second Mi Yodeya answerathon! If you're new here, welcome, and if this is your second round, make sure to stick ...