Here is the best way to present you buy-in for your ideas and to feel better about doing it. First you need to highlight the problem and present it to the listener. The issue needs to be emphasized about the importance towards the company and others within it. Be sure to provide valid reasoning, which means you have a need and use for the product. Next you will want to present the evidence that is most influential and import. Be sure that you present facts and values. Most importantly present the buy-in with confidence in your own idea.