Because he has BPD:
"Impulsive and risky behavior, such as gambling, dangerous driving, unsafe sex, spending sprees, binge eating, drug misuse, or sabotaging success by suddenly quitting a good job or ending a positive relationship.
Threats of suicide or self-injury, often in response to fears of separation or rejection.
Wide mood swings that last from a few hours to a few days. These mood swings can include periods of being very happy, irritable or anxious, or feeling shame."
https://www.mayoclinic.org/diseases...onality-disorder/symptoms-causes/syc-20370237
TLDR: ralph is a womanly faggot. This is well established, of course