You were waiting at a lab away from all the destruction Bete has caused. You were there is Dr. Gaster and Papyrus. At the time Chara did save Asriel from Bete’s control. You were sitting on the chair hoping everything will be over. You were impatient.

Dr Gaster: notices how impatient you are I know you want this to be over and it will..it just takes some time that’s all.