I am 20 years old and I weigh 96 pounds, is that a good weight for my age? I certainly eat a lot?

To check this you could look up how to calculate your BMI online and check with a chart for your age range or probably talk to a doctor. Eating a lot also doesn’t always affect your weight, because I eat a lot of unhealthy snacks and things and I’m only 90 lbs (granted I am still a teenager), other than that I honestly don’t know.

Because you eat a lot that could speed up your metabolism. Eating more speeds up metabolism, and eating less slows it down. This also depends on your height and genetics as well, but it seems that you’ve ate so much and your diet gradually grew that your body has become used to the food you consume and started digesting at a quicker pace. If your BMI is lower than it should be and your worried/doctor is worried that’s when you can change your diet to foods with higher carbs and protein, but it’s really only necessary if this is truly unhealthy. The description you gave itself does not seem unhealthy at all.