Omg someone help me a docter would be good?

i had a some hydro and the next day nothing seems the same ...im only fifteen and i cant let my parents know or they will kill me..heres the problem; the next day i cant seem to feel anymore. i can feel but i cant seem to feel happy or anything. for example when i hug my girlfriend i know it feels good but i cant feel the love i used to feel everything seems so empty. when i take a warm shower i feel warm but i dont feel good for being warm. when i eat a chocolate cake it tastes good but i dont get that special euphoric feeling anymore everything seems so fake. please help me i cant live like this