Darren Criss is mourning the death of his older brother, Chuck Criss.

The “Glee” actor revealed on Wednesday, March 2, his brother had sadly taken his life.

He was just two months shy of celebrating his 37th birthday.

Darren posted a three-page note about his brother. It was heartwarming, endearing and heartbreaking.

“It breaks my heart beyond measure to say that my beloved brother Charles has left us,” he began.

He then took time speak about his fondness for his brother.

“Let me start by saying it was very hard not to be fond of Chuck Criss,” he continued.

Darren went on to explain his brother was suffering from a very deep, dark depression.

Darren also took this moment to speak out about the importance of paying attention to your mental health and any struggles you may be facing.