watermelon and feta salad

Name: watermelon and feta salad
Ingredients: 1 bunch arugula, washed; 1 cucumber, peeled, cubed, and seeded if there are a lot of seeds; 1 1/2 cups watermelon, cubed; 2 large or 3 medium heirloom tomatoes; 1 small red onion, thinly sliced; 1 1/2 cups french feta cheese; 1 bunch fresh mint (about 1 cup of leaves); 1 tablespoon lemon juice; 3-4 tablespoons extra virgin olive oil; 1 teaspoon honey; salt and pepper