Usages of la manía
No entiendo esta nueva manía.
I do not understand this new obsession.
La manía de mi primo es extraña.
My cousin's obsession is strange.
Todo el mundo tiene sus manías.
Everyone has their quirks.
Mi padre tiene la manía de apagar todas las luces.
My father has the odd habit of turning off all the lights.
Elon.io is an online learning platform
We have an entire course teaching Spanish (Spain) grammar and vocabulary.