You know, it's no secret that love and relationships are difficult. Just finding someone you mesh well enough with to want to spend time with can be a chore and a half, let alone all the work that comes with real, mature relationships.
So it's little wonder that folks will simply embrace affection wherever and with whomever they can find it. That often ends poorly, of course. And whatever you think about your ex, it probably wasn't quite the same thing as dating an actual, real cockroach.