Also about parent I don't think he's in that situation to go bankrupt but still his parents still let him chose what he want. If you call him selfish I'd be worst kid for my parent because I play piano none stop in middle of the night just so my hand can go back the same but i stoped because i give up on being the same as before. I'm worse then Tea-in if you call him selfish. Also the team member Tae-in members just used is not waste it's their hob that's what they choose after all not everything can done with small amounts of time and patience.
Saying someone to move on awhile who can't let go off their dream and struggle with truma only shutter their confidence even more. (I'm not very good at explaining sorry for my long paragraph T_T )
Kim dokja and Yoo jonghyuk met agin and have happy live together as I said they drag me into a white room.