Could be a couple of reasons. In some cultures, to talk about one's own achievements just isn't done. To get over that you have to recognize that what makes sen

Could be a couple of reasons. In some cultures, to talk about one's own achievements just isn't done. To get over that you have to recognize that what makes sense for a family or group of friends isn't appropriate in business, where people have to make quick decisions about whom to listen to or associate with. You also feel slimy if you don't actually believe what you're saying. Start with the attitude of 'how can I help the other person'. If you think you have something of value to give them, what's wrong with that? Tell the truth, maybe even also your shortcomings. You don't have to dwell on them. Look at how Pinboard.in lists the reasons a customer might not want their product.