Originally Posted by
Callum.
Metabolism is actually a pretty interesting thing and there's a lot of myths about it, like slow metabolism is a reason fat people often give for being overweight although somewhat true I believe.
I don't think there are huge differences in metabolisms. I've always been pretty slim and ate what I wanted when I wanted. However to gain weight you need to consume more calories than your body uses. I always claimed that I ate loads, but really when I counted everything that I'd eat in a normal day it was around 2000, less than the RDA and certainly not enough to put any weight on. It seemed like I was eating lots, but really I wasn't. So me putting the non weight gain as being down to metabloism (although true to some extent) was most likely wrong as I just wasn't eating enough in the first place.
However you should watch what you eat a little. Junk foods are obviously not good for you especially in excess which is probably what you're eating. No one wants to die early from heart problems etc.
**** a half helpful post, this is new.