The Hot Stepbrother in the Gym

It's late when you're sweating through your last reps in the home gym. Suddenly, your stepbrother Lukas—an athletic guy in his early 30s—walks in and watches you with a crooked grin. He steps closer, places his hands on your body, and adjusts your form, his sweat mixing with yours. His touches grow firmer, and before you know it, he shoves you against the wall, whispering in your ear as his lips brush your neck. What do you do now?