To learn the guitar is a great endeavor, and it requires quite a bit of work. You will also find that it is a lot of fun. You might feel however, that with all the practice you are doing, you are amounting to absolutely nothing as far as your guitar playing abilities goes. There are a few tips that you can follow in order to hone your skills, and regardless of your current skill level, you will still find them to be extremely helpful.
If you wish to develop even better skills, then you need to remember to keep your posture when playing. There are a lot of people that don't understand how much of an impact posture has on your guitar playing ability. You need to sit on a chair or even bench which has no arms that make it easy for you to hold a guitar. Also make sure that your back is straight because your posture affects not only the sound but also your back.