Fair enough, so that’s your response to the twin paradox? I get what you say and yet it doesn’t relay answer it. So imagine you’re near a black hole and for the rest of the universe 20 billion years pass by but for you it’s only 20 years. Now the moment you start to leave the black hole...
This Video [Moderator's note: Unacceptable Reference removed] right here is describing a way of understanding SRs time dilation and length contraction. He tries to explain the phenomena with aether theory and argues that light does not have/is in a preferred frame of reference. So some context...