This Valentine's Day, one of Bangladesh's leading matchmakers shares his secret to long-lasting love.

Ghotok Paki Bhai, a 60-year-old spiritual guru, has been happily married with two wives for the past 40 years.

Having arranged more than 10,000 marriages across the globe, he says friendship is the key to a long-lasting marriage.

Al Jazeera's Nicolas Haque reports from Dhaka, the capital of Bangladesh.