In a small bowl, whisk together honey, soy sauce, minced garlic, and red pepper flakes if using. Heat one tablespoon of olive oil in a large skillet over medium-high heat. Add the sausage slices and cook until browned and slightly crispy, about five minutes. Remove and set aside. Add another tablespoon of olive oil to the same pan. Cook the shrimp for one to two minutes per side until pink and slightly curled, then remove and set aside. Add broccoli to the pan and sauté for three to four minutes until bright green and slightly tender. Return the shrimp and sausage to the pan, pour in the honey garlic sauce, and stir well. Let it cook for another two minutes until the flavors combine. Serve immediately with your favorite side dish.