>>Sometimes it's genetic.
>>
>>I weigh about 210 lbs, 6'1" tall. All of that weight is in my gut. The rest of me is all skinny. My Dad was the same way and my grandfather was the same way.
>>
>>I eat next to nothing. I rarely eat breakfast or lunch. Maybe, at best, 1800 calories a day. My wife is 5'1" and 94 lbs (size 4 soaking wet) and she routinely out-eats me.
>
>We say "her tapeworm has worms".

It's unfair, she's 50 - looks 33 - and never gains weight!