Without religion one cannot differentiate between good and bad. When a person is not following any religion, good and bad will depend on his personal likings. Here are a few examples:
1. Some ppl like singing, dancing and listening to music. They consider it relaxing and good for their mind and soul, they call it food for soul.
2. Some ppl like to smoke and drink alcohol while it's not good at all for health.
3. Similarly eating pork, etc. etc.
option 1 - environmental Impact
option 2 - Family/ Traditional Impact
Option 3. Instinct / Feeling
Option 4, Adopt Doctrine/religion
