We've all heard that we have to learn from our mistakes, but I think it's more important to learn from successes. If you learn only from your mistakes, you are inclined to learn only errors. ↗
The preparations for my new voyage prevented the possiblity of my paying that attention to the correction of my errors, that I should otherwise have done. ↗
TCP works very hard to get the data delivered in order without errors and does retransmissions and recoveries and all that kind of stuff which is exactly what you want in a file transfer because so you don't want any errors in your file. ↗