Rob Delaney marks 17-year sobriety anniversary with moving post about grief

American comedian and Catastrophe star Rob Delaney celebrated his 17-year sobriety milestone with a moving statement about grief and the "brutal" year his family has had. 

Delaney, who lost his two-year-old son Henry in 2018, has spoken publicly about coping with loss and grief.

SEE ALSO: 17 times Rob Delaney's Twitter game was absolutely off the charts

Having struggled for many years with alcoholism, Delaney writes in a post shared to Instagram and Twitter that he's "grateful" for his sobriety.

"Sobriety allowed me to be a reasonably good dad, husband and worker through it all," Delaney writes. "Sobriety allows me to grieve fully, and grief is an expression of love."

Delaney adds that had he not been sober, the grieving process would have been "far worse."

View this post on Instagram

1️⃣7️⃣❤️

A post shared by robdelaney (@robdelaney) on Feb 4, 2019 at 1:58am PST

Delaney has previously explained on Twitter that the reason he has chosen to speak publicly the loss of his son is "de-stigmatise grief." 

"Grief is an expression of love," is definitely the most heartbreakingly beautiful sentence you'll read today.  

WATCH: This app is creating a community for those living in sobriety

Uploads%252fvideo uploaders%252fdistribution thumb%252fimage%252f87122%252fccf65e4f 571e 4120 a24f 9e6a6ca80f65.jpg%252foriginal.jpg?signature=wpdwfrx35esgyp59u8elhaxtfl4=&source=https%3a%2f%2fblueprint api production.s3.amazonaws
Uploads%252fvideo uploaders%252fdistribution thumb%252fimage%252f87122%252fccf65e4f 571e 4120 a24f 9e6a6ca80f65.jpg%252foriginal.jpg?signature=wpdwfrx35esgyp59u8elhaxtfl4=&source=https%3a%2f%2fblueprint api production.s3.amazonaws