Both Davidson and West have been vocal about their struggles with mental health – West with bipolar disorder and Davidson with borderline personality disorder . "Bravo Kanye West for standing up for yourself and speaking out against mental health," Davidson posted on Instagram, which has since been taken down. "I can't explain to you enough how difficult and scary it is to be honest about stuff like this." Davidson has dealt with the unfair and inaccurate stigmas associated with mental health a number of times this past year, especially surrounding his relationship with Ariana Grande