In Reply to: How? posted by BWald on Monday, 24. October 2011 at 15:37 Bali Time:
Essentially it's a bit of paper and a small ceremony.
How far you take the beliefs and rituals is entirely up to the couple in question. Personally I would give up pork and my foreskin. Observe Ramadan, and other celebrations - I'd do the essentials to keep the family happy.