Summer Salad

I have been loving this salad dearly this summer. I could eat it every day.

2-3 c. chopped tomatoes
1-2 c. chopped cucumbers
1/4 to 1/3 c. feta cheese (crumbly)
1/4 c. balsamic vinegar
1 Tbsp. olive oil
Optional: chopped onions, green onions, or bell peppers
salt and pepper to taste

Mix all ingredients; it's best to add the cheese last, after everything is stirred. Chill and serve.