Problem: Marcus is a 32-year-old cisgender heterosexual male presenting with significant sexual functioning concerns characterized by recurrent erectile difficulties during partnered sexual activity. He reports an inability to maintain or achieve an erection sufficient for penetration in most sexual encounters with his girlfriend over the past 8 months, resulting in distress, reduced self-esteem, and relationship anxiety. In addition, Marcus reports clinically significant generalized anxiety symptoms, including excessive worry about work, finances, and relationship stability, accompanied by physiological arousal, sleep disturbance, and chronic muscle tension. He is seeking therapy due to concerns that his sexual difficulties may threaten his romantic relationship and overall emotional well-being. Need Assignment Help?