Not a Bastard

If he could go back to when he was fifteen, he might accept the teacher's advice and continue studying. If he could go back to when he was twenty, he might take his parents' advice and continue getting haircuts. If he could go back to that year when he was twenty-five years old, he might refuse his superior's offer to pass the blame and continue driving. If... It's a pity that there is no if. He is not a bastard, but he seems to have gone too far on the road of bastard...