It is a loan word. Polish isn't 100% phonetic and occasionally loan words that are spelled the same are pronounced similar to their origin. Apparently that is why menu is pronounced strange, because it sounds more French that way.
Is it ok to use kochać when we talk about smth like weekends? In Ukrainian we can say it only about people (mężczyzna kocha kobietę, kobieta kocha dziecko), and weekendy my lubimy...
I love weekends! - Uwielbiam/Bardzo lubię sobotę i niedzielę!/Uwielbiam koniec tygodnia!/ Uwielbiam końcówkę tygodnia!/ Uwielbiam ostatnie dni tygodnia!