3rd person POV
Gojo didn't stayed any longer on earth after he completed the talking with the Grandpa.
He have gained access to the family resources to up the overall strength and experience of Arc in martial arts, and mindset.
Gojo was in shelter looking for where to start with the Arc's development into powerful person that his grandpa need him to be. Reaching the room, Gojo was evaluating all the planning of gene points, forced energy awakening and martial arts strengthening. These thoughts were not big in itself but thought of teaching it all in just span of months have made him feel it as something overwhelming to deal with.
And those serums of grandpa demanded them specially must have special role in his plan which can not be replaced by other things.
Gojo finally reached the room and was presented with the scene of the Arc exercise his body slowly. He seemed a tad bit more comfortable than even before he fainted at that time.