>> it's also activating another thing we know from the research that can be problematic, which is our social comparison. our mind is really good at picking out a reference point of who we should compare ourselves to. what should our salary be, how good should we look? we compare ourselves often in a bad way. and i think social media allows us for so much more kinds of comparisons that make us feel bad about ourselves on these different dimensions, attractiveness, wealth levels. for our college students, the grades they're getting. they talk about getting good grades. nobody talks about bad grades. increasing the number of social comparisons that happen on a daily basis and that's not good for well-being. >> in the course, what do you try to give -- what's the message you try to give about what does lead to the good life, what does lead to happiness? >> the first part of the message is that the sad thing that the science tells us is that our minds lie to us all the time. we miswant things.