Until the next up date, I choose to remain optimistic and say that he's joking. I seriously thought he was gonna be like "SIKE"... I was wrong (probably) ( ̄∇ ̄")
The art style's changed so much since the beginning! But anyway, when that old guy said something about betrayal in his blood I thought he meant that the doc and that other guy(I can't remember his name) were related! I was like Damn that's a lot of insestrial behaviour! (● ̄(エ) ̄●)
So yeah...he's pregnant now