Many people find happiness more elusive than it should be. A happy moment is often a fleeting one for them because before long they are right back to thinking about the very things and people that dispirit them -- whether it's their job, ex boyfriend, or the laundry list of chores that awaits them when they get home. But happiness doesn't have to evade us. In fact, in can be a lot easier to achieve -- and sustain --than we think. Below are two ways to attain longer-lasting happiness. 1. Live in the present. Mother Teresa put it succintly: "Be happy in the moment -- that's enough. Each moment is all we need, not more." True happiness lies in the here and now, and we must guard against the temptation to escape mentally to the past or future when things in the present may not be going as smoothly as we like. Rest assured that as long as you remain positive and refuse to give up on yourself, your fortunes will turn around. You've navigated through stor...