Is it ok for Jews to study with and teach gentiles the Torah if the gentile is trying to become a better person and is living out what the Jew is teaching him?

are woman allowed to use birth control pills? are men allowed to use condoms?

What Passover staple’s “rising” costs were due to price-fixing, according to Israeli trustbusters in 2000?

I recently purchased an engagement ring. Do I have to wait till after the Omer to give it to my fiancee?

We have a custom in our family to color eggs for Lag B'omer, and we know of others around the world that have this custom too. Yet nobody seems to know the origin or source of it. Some people I have asked suggested it is taken from a pagan custom, G-d forbid. Can anyone shed light on this please?