As the boys say, White lines, drain covers and wet leaves. Look well ahead and plan your braking, keeping it gentle (obviously unless forced to do otherwise). Extra attention during low light or worse still, low winter sun.
Buy the best kit your budget allows and wrap up well
Washing your bike will allow you to keep an eye on its overall condition, regarding chain wear, blown bulbs, loose bolts etc. Enjoy it, its all part of your rites of passage.