If said co-worker is a total wanker, yes.
If said co-worker is nice, sexy, charismatic and someone you generally have a lot of time for, who only heard about said dumping from fourth-hand evidence through a series of texts to their friends, no.
( The Mock TurtIe ™ --- Thinks you are a cunt, on, Fri 19 Jun 2009, 23:16, archived)