That would be like your...height, skin color and eye color ect...
Answer: Hey! You might think bipolar people are like that, but she's totally normal. Their moods change instantly. You're not the only one with a mother like that. Many people have them, for instance two friends of mine. Think about her good things. It'll be okay. Hope this helps!
False it is also helpful in bonding with people and creating a more stable bond. You can have friends and not have empathy but it will be more stressful.