Im not fat but Im not the slimmest guy. I box mon day - thursday for 90 minutes. I eat good, but I just started so yea, but will me eating popcorn like that hinder the process? One bag movie theater popcorn extra butter, is it best for me to cut it out?

if you reallllllyyyy want to eat popcorn, stay away from the butter

well as long as u dont do it often its good! have a snack once in a while it cant hurt! :D

Eating healthy means no popcorn. Eat fruits instead.

I don't know your overall diet or lifestyle so I can't determine if the popcorn is the ONLY or the ONE factor preventing you from losing weight. You must determine that for yourself by trial and error. Cut out the popcorn for a week or 2 and see what happens, then you'll know your answer.

Hmmm...let's see. Popcorn is extremely low cal and a good source of fiber. Pour salt and butter on it and it's a lot less healthy. I think you already know the answer. Just rub one out instead. =P

It's a well known fact that butter is great for your health and helps you work even harder. So keep up with the good work! (:

Generally, it's best not to eat less than 3 hours before you go to sleep. This is because the body doesn't burn nearly as many calories or as much fat as it does while you are awake. It's like when your computer is in sleep mode -- it uses less power. If you put energy into your body right before you enter "sleep mode" your body just stores the excess. In the case of buttered popcorn, a lot of that is going to be stored as fat. The body tries to make things as easy on itself as possible. If you eat a fat and don't do anything with it (when you're asleep) your body keeps it as fat, and you gain weight.
Generally, the the more fatty and greasy a food is, the worse it is for you, especially when you are just about to go to sleep. Dairy products like milk, cheese, butter, and ice cream are designed to make you gain weight, as they are intended by nature to fatten up a baby cow and grow it from a few pounds to over a thousand. If you are able to, cut back on your dairy consumption, especially before bed, and you will see some weight loss.

It depends what you are eating for the rest of your diet, and how much butter you are putting on your popcorn. Popcorn itself isn't bad for you, however it can be when you drench it in butter and/or other flavorings.
For weight loss, you need to look at your overall intake. Do you know about how many calories you eat in a day? That would be a good place to start.

you shouldn't eat before bed because you deprive your body of the rest it needs to repair itself. However if you want to eat butter popcorn I say go right ahead because you will burn off all the calories at boxing practise, just don't eat it right before bed.