DID HE FINALLY HAD A CHANGE OF HEART???? NOW GO REVENGE UR MAN

Well since he saw him he felt something, hence why regas is still alive and Kara's can't explain what he feels. But no matter what ppl think, eyes are VERY deceiving. It is how we perceive the world. That's why he is experiencing regas for what he does and says even though the eyes tell him something different