Place flaked tuna in a medium bowl. Add veggies and mix well.
Add mayo, honey mustard, relish, salt, and black pepper. Mix thoroughly. Season with more salt and black pepper, to taste, if you like. Mmmmmm!
PER SERVING (1/4th of recipe, about 3/4 cup): 150 calories, 2.5g fat, 676mg sodium, 13g carbs, 2g fiber, 7g sugars, 18g protein