>>12857168The bottom-line way to make people want to do something is to give them a sense of purpose in doing so. There are several methods for which this is done, and the more that are used, the more effective it will be.
One is social obligation; you're much more likely to do something if you make yourself feel like other people are counting on you to do that thing. Start telling people, even total strangers online, that you'll do it, and you'll eventually earn enough conviction to actually get it done. Churches and MLMs often do this to entrench their members in the community, and this is the theory behind Nike's "Just Do It" campaign.
Another is sexual gratification, which is easy to spot out in advertising. If a cute girl likes when guys do X and X is something that you can pick up & start doing, you're more likely to start doing X. This doesn't just mean long-term developments like picking up the guitar or lifting weights; it can also be small behavioral changes like laughing more often or being candidly passionate about something you already enjoy. A lot of little things that might make you enjoy a person are also things that girls love when you do yourself.
A third method is just making it visible to you. If you see an ad enough or hear a piece of music enough or see enough people drinking some beverage, you'll become more likely to try it out because it seems like it's the more available option, especially when you're bored. You can do this to yourself; look up people helping others or building something cool, post sticky notes that say what you want to do. Just keep mixing up the exact content of what you're advertising to yourself while keeping it centered around the messages you want to be shown to you, because seeing the same thing over and over would quickly lose its effect without adding some new twist every now and then.
