Multi-choice problem: Continue writing the next sentence in this paragraph:

How to have fierce confidence
Expose yourself to new things by trying the things that scare you most often.
It's easy to feel less than confident when you try something for the first time. By forcing yourself to do things outside of your comfort zone you'll gain confidence.

OPTIONS: [I] Instead of trying new things by yourself, try something you've never tried before. For example, maybe you love the outdoors. [II] For example, you might start a weekly yoga class at your favorite gym, or you could take up a sport outdoors. Learning new things will allow you to see yourself for what you are, not put you down. [III] Join a few clubs where you can find like-minded people. Do volunteer work to meet new people and experience new things. [IV] If you do the things that scares you most often, your confidence will boost and you'll be able to quickly outperform your fear. That is, when you can become confident and self-assured you'll be less overconfident.
[III]