Can Lactose Intolerance Develop When You Are A Teenager Can You Develop Allergies By Eating To Much Of Something?

Can you develop allergies by eating to much of something? - can lactose intolerance develop when you are a teenager

Well, I'm a vegetarian, but I used to eat fish (I was in love with her)
In any case, I would like one days can of tuna, but then I began with abdominal pain and skin of the stranger, and walked no more (all fish, not just tuna)
has a vegetarian
Then I like cheese, milk and ice cream I ate a lot of allergies and development (I had all the symptoms of lactose intolerance), anyway, when I no longer feel I'm good!

I am very angry now!

I was also a pre-teen a teenager when this happened, so I grew up.