Parents must be extra-vigilant with children, and they also must be extra-patient. Today's Full Moon could affect yur relationshop with children, or it could affect them directly. Romance is also stressed. Oy!

1. Does extra-vigilant here mean extra-watchful/wary/careful?

2. Does stressed here mean emphasized or important?

3. What is Oy? Oh! yes?

1. Yes. 2. Yes. 3. Hard to say why they have used it here.
Thanks for your confirmation, Nona.