Research shows that after the blissful intoxication of falling in love, most people come off the high within 2 years of starting the relationship, at which point their happiness levels return to about where they were beforehand (there are outliers, though: the people who experience the biggest happiness gains when they

Why do relationships fall apart after 2 years?

“Theyve dumped their love, attention, money and time into this relationship and they want a return,” she says. So they like to ensure that there is no possible way for the relationship to give them their return, and then they leave,” she says. “This typically happens after the first or second year mark.