Complex sentence: Spinelli later asked to keep the e-mails which he dubbed "Georgie's secret pain" and tried to write a reply of his own but he was unable to since he was discouraged by the fact Georgie would not be able to read it.
Split into simpler sentences: Spinelli later asked to keep the emails which he dubbed "Georgie's secret pain" and tried to write a reply of his own. However, he was unable to since he was discouraged by the fact Georgie would not be able to read it.