The couple were first married in 2010, but later split up in 2012. In 2014 he filed for a second divorce from Riley, before redacting the paperwork.
Finally, in March of 2016, Riley filed for divorce from Musk, and the split was finalized by the end of the year.
Musk's battle with depression and possible bipolar disorder could have impacted his past relationships.
He is now dating Amber Heard, who only recently filed for divorce from her ex-husband Johnny Depp.
Depressive phases, during which the bipolar partner feels hopeless and sad, can drag a healthy partner down, too. "It brings out very strong negative emotions and feelings of isolation in the partner, who struggles so hard to separate the illness from the patient." Relatively few studies have been conducted on the effects of bipolar disorder on relationships, but the research is nearly unanimous that the disorder tends to cause both practical and emotional difficulties for couples.
For starters, the ups and downs of bipolar disorder can disrupt the rhythms and routines of a household.
The 46-year-old also replied to someone who asked him if he was bipolar, saying 'yeah.' Bipolar disorder is a mental health condition characterized by episodes of feeling very high and very low.
Singer Demi Lovato opened up about living with the disorder in 2016, and said she first made her diagnosis public to shed light on the condition.
Feelings of stress, isolation, and rejection are common among those involved with a bipolar patient.
Sustained or chronic stress, like what is caused at a high-power job, causes elevated levels of hormones like cortisol, and reduced serotonin and other neurotransmitters in the brain.
This imbalance has been directly linked to depression.