You are an adult now, so what you tell people is up to you.
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Well there is nothing wrong in wanting to keep your relationship to yourself, it's your decision your choice to tell people what you want to say.
No you don't have to tell your parents, and yes I've been in the same position and I waited until I was comfortable telling
You cannot undo this action. The opinion owner is going to be notified and earn 7 XPER points.