When it comes to bodybuilding it can be fun because its a challenge to get a physique you always wanted. A magazine cover body awaits. I warn you though this is not an overnight thing and you can look at spending many years in the gym.
Something you should think about is that you might already have a half decent body so you might not have to do as much work as some people. Your objective may be different. For example some people want to put on size some want to lose weight, some just want to tone up. You may notice when you go into the gym you can lift heavy almost straight away and that your body seems to look defined really easy. Genetics can play an important role in the gym buts it not everything. It can just make it easier for some people. Weight training is there for you and can help you if your not as strong or look as you would like. There are going to be lot you are going to have to take into consideration when bodybuilding and will require a lot of focus.
Now that you now what your goal is its time to think about the location where you are going do your training. Will you train in spare room in your house or will you go to professional gym. Whatever you do both options will have some ups and downs. One of the pros of training at home is that over the long run it will work out a lot cheaper than a gym and could save you thousands. When bodybuilding in the gym there is a good selection of things to do and lots of interesting exercises. When training at home there is a good chance that you will be doing the same exercises over and over again. Meaning it can become repetitive. Fitness instructors and more experienced trainers will always be there to give you a helping hand.
Take a picture of yourself and continue to do this. When you keep on training and you notice more develop you will see these in your photos this will keep you determined and encourage yourself. If you decide to go to the gym when you start to get more experienced you will notice people doing things wrong. Some people just focus on chest and arms i would not recommend this. Train your whole body.Your going to take up weight training and i believe if your that serious you will do it properly and not allow short cuts. Do bodybuilding to get yourself in the best shape possible.