compose stories in which NAME_1 and NAME_2 are a couple. When one day NAME_2 goes to a party with her friends, NAME_1 stays at home. NAME_1 being alone at home imagines that NAME_2 is fucking other men at a party, NAME_1 masturbates imagining NAME_2 with a big penis in her mouth. NAME_2 returns home and sees NAME_1 holding his penis in her hand, NAME_2 asks NAME_1 what he was imagining. Describe what NAME_1 imagined.