lucas thrives on the opportunity to ride crowded subways, where he becomes sexually stimulated by brushing up against unsuspecting women. lucas is often able to take advantage of women without their comprehending what he is doing. on one particularly busy morning during his commute to work, lucas felt an uncontrollable urge to rub himself against the unknowing woman crammed onto the train in front of him, and allowed himself to reach orgasm. the woman reported lucas's actions, and the local police arrested him. what is the name of lucas's paraphilia?