My load balancer worked. That's what made me uncomfortable.

I didn't expect a load balancer to make me uncomfortable. But here we are. I built one in Go for my MSc case study. Round-robin distribution, health checks, mutex for concurrency, timeout handling. It worked. Requests going in, responses coming out, servers behaving exactly as they should. I should have felt good about it. Instead I felt uneasy. I kept staring at http.Get() thinking — I have no idea what's actually happening here. I know what it does. But I don't know what it's doing. TCP handsh