All you need is the patience of a saint. Applications programming is a race between software engineers, who strive to produce idiot-proof programs, and the Universe which strives to produce bigger idiots. The three most dangerous things in the world are a programmer with a soldering iron, a hardware type with a program patch and a user with an idea. You can't do just one thing. Campbell's Law of everything 9.
Friends come an go, but enemies accumulate.
Whenever you use a jump, be sure of your destination address. Always secure your files. Never argue with a redhaired witch. It wastes your breath and only delays the inevitable. If you eat a live toad first thing in the morning, nothing worse will happen all day long.