Firstly, you become more trustworthy to others. Of course you can also gain more friends for whatever reason. You can make a big impact on the other person's life, and they can make one on yours.
There are cons to this, but I say go ahead and do it as you only live once so might as well make the most out of it.
In fact, a recent study by Harvard researchers found that when leaders focus on building relationships with their employees, they create conditions that lead to higher levels of organizational commitment, as well as increased employee accountability for their performance and greater satisfaction with their jobs.
