You have to explain to him how he/she deserves better and tell them that life will be so much better if they leave the relationship (if they haven’t) and have them block the person on all social media.
Motor Unit Summation<span> - the degree of contraction of a skeletal muscle is influenced by the number of </span>motor units<span> being stimulated (with a </span>motor unit<span> being a </span>motor<span>neuron plus all of the muscle fibers it innervates; see diagram below).</span>
