You may be motivated by advertisement or seeing people using that product or service

You may look at reviews of the product or even get the chance to try it out. Example. You want to buy pair jeans you go to the fitting room you like it you make the purchase

You may see a person you admire on social media with a product that may cause you to go and purchase

Depending if the product is a need or a want. If it’s a need like food you won’t care about opinions but if it’s a want you may consider people’s opinions

If you are happy with the product you will feel great if you aren’t so happy you may fell a sense of regret