You've been dreaming all that time, you just haven't been able to recall it, many people are like that. If you have trouble remembering your dreams just lay in bed perfectly still for a few minutes and the dream centre of the brain will kick back on and you'll remember your last dream as it has not been overwritten yet.

Read the tutorials if you haven't already about reality checks and recognizing dream signs. That should bring you to the next level of your dream journey.