Question: why easy to gain weight?
Answer: Eating Quickly. In today's world, people are busier than ever and tend to eat their meals quickly. ... 
Not Drinking Enough Water. ... 
Being Too Social. ... 
Sitting Too Long. ... 
Not Getting Enough Sleep. ... 
Not Having Time to Relax. ... 
Eating From Large Plates and Bowls. ... 
Eating in Front of the TV.