The first rule of magic is containment.
People will test you. They will tell you that it's a good hobby but not to expect anything to come of it. When they feel you are neglecting them for your creativity, they will speak up.
Some will even pretend to support you, but don't be surprised when the chores and errands around the house suddenly multiply. Your loved ones will not do this intentionally, but some will do it, because they can't stand the thought of you having fun without them. They want to be wanted, and thrive on your attention.
Your best friend may suddenly start calling everyday just to see what you are doing once she find out what you have in mind with your creativity. Again, these people usually don't even realize what they are doing, but they will do it.
You must hold your intentions within yourself. Learn to be your own counsel. Move silently among doubters. Only voice your plans among your allies. And learn who your allies are. Do not indulge or tolerate anyone that throws cold water in your direction. Forget their so called good intentions. Forget that they didn't mean it. Set your sights, and don't let anything or anyone detour you.
If you don't know who your allies are, one quick way to find out is to make a small comment such as: "I've been toying with the idea of writing a book." Watch and listen to their reactions. If you feel a negative vibe coming from the person, just don't mention it again. You can't force your positivity on anyone.
List five people you can talk to about your dream and with whom you feel supported. Consider this your circle of positive energy.