All the suggestions in this discussion thread should help you generate a "to do" list. That is essential--and set some goals that you check off as you go. Make yourself a list of many things that involve study, getting to know your camera by using it, refresh your knowledge of principles of photography, read, practice to get to know your camera, try new things, take an online photography course, or one at the local junior college, join a photo club, learn how to use digital post processing software, etc. On bleak cold and wet days when it doesn't make sense to go out and freeze, go get some flowers from the grocery store or florist and start learning how to photograph them in available light and artificial light. That might brighten your day and it sure teaches a lot about light and image making. You also can surprise yourself with images that you can create around the house such as being "Home by the Fire on a Cold Day!