Strategies for Dormmates Falling Down

Why does his small world, where same-sex attracts, be incompatible with the big world where opposite-sex attracts?For a long time, Su Xian felt that he shouldn't bother with this issue, after all, he just deviated from the general law a little bit.However, he never expected that someone would appear in his small world soon, and this person would attract him, deviate from the right track of same-sex repulsion, and go farther and farther. ...