I'm going on my research and my imagination but i guess he could fear running out of wine or grapes to make wine. He may also fear Hera getting angry at him, being born of Zeus and Semele, and cursing him some other way other than the insanity she already inflicted upon him.
-Sources? My superior knowledge on Greek Mythology. and no. its not all from the Percy Jackson Series.
Dionysus means "God of Nysa", Nysa was the birthplace of Dionysus.
Dionysus did not die.
Dionysus did not kill Perseus!
Dionysus was the Greek god of wine.
Dionysus - bacchus
Dionysus married Ariadne
Dionysus's mother is Semele
Zesus was the Father of Dionysus.
Get drunk with me! -Dionysus
Dionysus was the Greek god of wine.
dionysus
Dionysus was the god of wine