The Talented Mr. Ripley -  Patricia Highsmith

Tom thought, Dickie would probably be so fond of him and so used to him that he would take it for granted they would go on living together. He and Dickie could easily live on Dickie´s five hundred a month income.

 

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I hate clowns. But at least I could kick Pennywise in the shins and try to run for my life. I´m not so sure I could to that with Tom, because I´m pretty sure I wouldn´t notice his sociopathic behaviour at first. This book is chilling.