Avril Lavigne's fiancé Mod Sun made a heartbreaking revelation about his health as he admitted he would probably not "be here right now" if he didn't give up alcohol and drugs.
RELATED: Avril Lavigne announces upsetting tour update as she shares health news
The 35-year-old shared a health update with his fans on Wednesday to mark three years of sobriety, revealing that despite a "particularly tough" year, he is proud of himself for not turning back to his old bad habits.
WATCH: Avril Lavigne and Mod Sun's sweet love story
"Today I am 3 years clean of drugs + alcohol. If I didn't make that choice there's a good chance I wouldn't be here right now…I can't imagine missing all these incredible gifts life continues to give me," he wrote on Instagram.
"Is it hard? [Expletive] YES! Do I miss it? I'd be lying if I said no…but that's the point, this is my fight. This year has been particularly tough for me + when I look back I smile knowing I made it through.
MORE: Avril Lavigne's punk engagement cake is epic – see here
MORE: Avril Lavigne reveals sweet engagement gift sent from Kourtney Kardashian and Travis Barker
"The best advice I've gotten is to just take it one day at a time so that's what I do…on this day I'm just gonna be grateful for the ride. We all have a story to tell, this is just part of mine."
Avril and Mod Sun got engaged in March
He concluded: "If you feel like you need to make a change, now is the time to do it…If you are struggling with anything at all right now I pray you find your way to the bright side. Thank you for all the support, I truly wouldn't be here without y'all. I LOVE YOU!"
Despite being away on tour, Avril made sure to celebrate Mod Sun's incredible milestone by sharing a sweet message on her Instagram Stories.
Avril shared her support for her fiance on Instagram
"So proud of you baby," she wrote alongside a smiling photo of her husband-to-be. "Congratulations on three years of sobriety @ModSun. I [heart emoji] U."
Mod Sun has opened up about his battle with alcohol and drugs in the past, telling Hollywood Life in 2020: "The drugs were gonna kill me and the drugs were holding back my shine and it was dimming my light.
"Going on two years of not doing drugs or drinking, I have filled my time so heavily with falling in love with my art."
Read more HELLO! US stories here
Like this story? Sign up to our HELLO! newsletters to get other stories like this delivered straight to your inbox.