How do I handle the responsibility that people's lives depend on my work?

When you sign off, real lives ride on your calculations, and that weight is heavier than anything school prepared you for. That is the moment the profession becomes real. Feeling the full size of it is not a sign you are in over your head. It is a sign you understand exactly what your signature means. That weight is not meant to be carried by fear alone. It is meant to be carried by process. You have methods, checks, codes, and the work of everyone who came before you. When you follow them honestly and do not cut corners, you are doing the one thing that actually keeps people safe. Diligence, not fearlessness, is what your stamp really certifies. You will never reach a point of zero risk, and waiting to feel completely certain will only freeze you. Instead, be thorough, ask when you are unsure, and check the things that matter most. One step: when the responsibility feels crushing, return to your process and work one careful step at a time. The weight becomes bearable when you turn it into disciplined habit.