The Bleachers singer and the 'Girls' actress split last month after five years together, and his ex-girlfriend explained this week how she felt she was losing her grip on their relationship after making the difficult health decision.
Responding to her emotional and extremely candid essay, he simply tweeted: ''Beautiful piece.''
In the essay for Vogue magazine, Lena admitted she felt herself ''growing slowly apart'' from her then-partner, and claimed she was being ''surly and distant'' towards the end of their time as a couple.
She wrote: ''My beautiful partner, who has seen me through so much pain with compassion and care, has to be away for work, and I can feel us growing slowly apart, since life is so determined to display its full complexity right now. I am surly and distant.
''I offer nothing. He reminds me again and again that I am still a woman and still alive. But I also know that soon - for so many reasons that have nothing to do with my uterus - we'll slip away from each other and I will face everything I am losing in impossibly tiny step.''
The 31-year-old actress also shared some of the heartbreaking emotions she was going through at the time.
She added: ''My family just wants to see me happy again. They are, for the first time after all my shenanigans, truly scared, and my father checks my breath as I sleep, leaning close to my chest. I apologise weakly for what they are witnessing - someone who hurts too much to express themselves, who can't help but be a nuisance at best and a terror at worst.''
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