The most important part of doing YouTube is to do it based on passion. Very cliche, but very true. I made a YouTube account about a year ago and for the first 2 - 3 months I had basically nothing on my videos. As you go on learning posting videos, you become more experienced and you will find a style that best fits you which will eventually entice your very own demographic to watch your videos. For the most part, it is really just moving forward and not looking at the number of subs, comments and likes on your video. It is about creating content that has quality. eventually people will watch. YouTube takes about 1 year - 2 years to mature into something only if you keep working at it. Like any other job, hobby and goal, you have to work really really hard to see any fruit.
Good luck!