Never look back once you've left port. It might indicate that you are not truly ready to embark and complete your voyage safely. This hesitation or indecision will bring about bad luck.
No priests, especially those who wear black.
No flowers, the se are for funeral wreaths. Priests are for funerals too
Sharks are a sign of death, Dolphin are fishermans friends and thought to protect mankind.
Right foot first not the left, I don't know why.