That is a very good reason. [And a heartwarming one, but also a dangerous one. One can, after all, give too much of oneself in the service of others, and Ginia seems... Well, Celestia has the impression that she does not have a terribly strong sense of self, and that being a shinki has diminished that further. Something to note and be careful of.] The world is a very wonderful place... and everypony deserves the chance to be happy.