Mannge your time wisly, We are all busy, the yound ones have schoold and adults have to work. When you are sitting down to practice even 15 minutes can make a diffence all depends how you splitting your time, start by reviewing the fandamentals and then play the latest guitar lesson homework make sure you are looking at the clock for time to time, after that if you have more time play some easy songs that way you are covering everything and still keep it fun. For any reason if you are confused how to practice I’m always here to recommend! Practice well.