Crawl, walk, run. Start small (# shares or contracts) and if necessary, go smaller until you find a size you are comfortable with. Trade that size until you feel confident, then slowly increase.
Quote from osho67:
Probably that is another problem - pulling the trigger. I am fearful as well. Needs somehow to boost courage and confidence as well. I am meditating on this aspect but still help will be much appreciated. There must be lots of resources on this aspect. . Thanks