Don't disregard a thunderbolt. Have you been lately engaging in any acts which may have induced the wrath of the gods?
Even the odd impure thought could bring you to the attention of the pure heavenly bodies which surround us, especially in SE Asia. Your girlfriend may have been quite right in hiding under the bedsheets. Who knows what mysterious spirits are hanging about. Just because you are are a logical thinker it doesn't mean that you are immune from what you don't know. Remember that you don't know what you don't know.