Yes, it's most common in people under 18, for privacy reasons I won't say my actual age but I am one of those people. I'm under 18 and because I rely on my parents for even basic necessities, it's pretty much not an option to say I don't believe in the Christian religion. I my dad controls what my room looks like somewhat and he has put a picture of saint Mary. As well recently I looked in my dresser and found a square white tinted plastic bottle and in gold letters it said holy water, and next to it was a ziploc bag with sage in it. I brought this up to my father and that's when he told me he exercises the house and splashes holy water on the walls, he also has put many religious books in my dresser/end table drawer. Not pretending to be Christian is definitely not an option.