“Age is just a number” for many people but when it comes to practicality, the scenario can be rather different. Many celebs have fallen for and married someone irrespective of the age gap and have indeed been a topic of discussion. This time we have Arun Lal, 66, who represented the Indian team in 16 Tests and 13 ODIs. He is all set to marry his long time friend, Bul Bul Saha on May 2. It is a beautiful thing but there are many challenges that couples tend to face when they marry someone so senior or younger. We consulted an expert on the same, and here is what she shared with us.