In the mean time, you have passed on other possible opportunities. Even if it's a feature film, it could be a flop, and you'll fade into oblivion until the next time. Tim and Ethan harass each other on stage at a convention in Berlin, Germany. Get the proper training. Surround yourself with people who are actively working towards a goal, and people who support yours.
Negative input is detrimental.
And then, when you're ready, carve out a niche for yourself in the industry. In other words, don't offer them a Chevy when they are asking for a Porche. It's a small enough community that you will run into them again and the right door will be open for you. You may be discovered in two days, in 12 years, or not at all. But unless you persist, you'll never find out.