Cassandra Clare said this quote

“ Isabelle snorted. 'All the boys are gay. In this truck, anyway. Well, not you, Simon.''You noticed' said Simon.'I think of myself as a freewheeling bisexual,' added Magnus.'Please never say those words in front of my parents,' said Alec. 'Especially my father.''I thought your parents were okay with you, you know, coming out,' Simon said, leaning around Isabelle to look at Alec, who was — as he often was — scowling, and pushing his floppy dark hair out of his eyes. Aside from the occasional exchange, Simon had never talked to Alec much. He wasn’t an easy person to get to know. But, Simon admitted to himself, his own recent estrangement from his mother made him more curious about Alec’s answer than he would have been otherwise.'My mother seems to have accepted it,' Alec said. 'But my father — no, not really. Once he asked me what I thought had turned me gay.'Simon felt Isabelle tense next to him. 'Turned you gay?' She sounded incredulous. 'Alec, you didn’t tell me that.''I hope you told him you were bitten by a gay spider,' said Simon.Magnus snorted; Isabelle looked confused. 'I’ve read Magnus’s stash of comics,' said Alec, 'so I actually know what you’re talking about' A small smile played around his mouth. 'So would that give me the proportional gayness of a spider?''Only if it was a really gay spider,' said Magnus, and he yelled as Alec punched him in the arm. 'Ow, okay, never mind. ”