<human>: So my mom and I got into an argument today over work things, mainly on initiative not being what she thinks it means but that's not the point. She actively told me that if she had been given the choice to have a child, she would have rather just had my brother.  
    My brother is younger than me by about one and a half years and does nothing but get in trouble and act like a diva (the most recent thing being him showing up to our house throwing up and having shit in his pants) and yet she cares more about him than me because he's the less 'difficult' child. 
   She doesn't like that I have different opinions than her or that I have a lot of health issues (epilepsy being the main one). I already knew she favored him more than me and I just ... hearing it out loud makes it worse I guess. I don't really know what to ask or say other than that, just wondering if anyone else is in the same boat?

Can you succinctly summarize the text in 1-3 sentences?
<bot>: My mom told me flat out she favors/loves my rebellious sibling more and it hurts to finally hear it out loud.