Yolanda Foster has been battling Lyme disease since 2012, and in mid-2015, she was reportedly "scared for her life."

'RHOBH' Yolanda Foster Shares Dark 'Death' Post Amid Lyme Disease Battle

According to a report by Radar Online, the Real Housewives of Beverly Hills star's health was at its worst last year, which prompted her to make a will, which she presented to her children on Tuesday's episode of the show.

“I am all about clarity and always want to strive to be a responsible parent and not leave uncertainty for my children," Foster explained of the on-screen moment in her latest blog. "Seeing their faces tonight broke my heart. I did not intend to have such a dramatic moment, and discussing a will is obviously a very uncomfortable discussion to be had at anytime,” she wrote.

Did 'RHOBH' Star Lisa Rinna Defend Her Comments About Yolanda Foster On Twitter?

“I needed to do my living will and put my business affairs in order for my children and my family that I support in Holland,” she continued. “I have witnessed people not plan accordingly and leave their partners and family in difficult situations which can be avoided by being organized.”

On Wednesday, Foster shared a message with fans.

"She stood in the storm & when the wind did not blow her away, she adjusted her sails," read a photo message shared on Foster's Instagram account.

For more Yolanda Foster, tune into The Real Housewives of Beverly Hills season six, airing on Tuesdays at 9 p.m. on Bravo.