Prepare the couscous according to package instructions using water and salt.
In a large bowl, whisk together the lemon juice, olive oil, dijon mustard, garlic, red pepper flakes, and sugar or honey.
Add the cooked couscous, kale, chickpeas, olives, feta, parsley, and red onion to the dressing and toss to combine.
Season with additional salt and pepper to taste.
