Conversation so far:
When was Janis Joplin born?
Janis Joplin was born on January 19, 1943.
Did Janis Joplin have any siblings?
Janis Joplin had two younger siblings, Laura and Michael.
What was Janis Joplin's adolesence like?
Janis Joplin was ostracized and bullied in high school. She became overweight and suffered from acne. Other kids taunted her and called her pig, freak, nigger lover, or creep.

Question: why did she need more attention than them?
Self-contained rewrite: Why did Janis Jolpin need more attention than her siblings?