Like RM, Suga was also an underground rapper who was criticised for leaving hip-hop. Unlike RM, he fired back directly in his solo songs. Despite his delicate appearance, Suga is a harsh rapper with one of the fastest flows in South Korea. He also plays the piano quite well. Suga produces music, and has won an award for a song he produced for the singer Suran.
At first glance, Suga appears to care little about anything or anyone. He appears cold and distant. He curses at haters in his songs and sometimes scares the members. However, he does care a lot about his members and friends. He also smiles quite a lot, in fact.
Suga was very poor when he was working as a teenager in underground rap. He didn't have enough money to buy a meal and ride the bus, so he could choose only one. His parents also disapproved of his decision to work in music, which led to fights.
Suga used to have depression and social anxiety. One song on his mixtape called "The Last" is about his expreriences, including when he went to the psychiatrist with his parents and his anxiety at BTS's early concerts. He also uses his own experiences to write encouraging lyrics for fans to get through their own tough times.
Overall: Yoongi is a no-longer-sad lil meow meow and we are all glad he's not sad anymore. What a soft boi.