Stagnation begins in the realm of comfort. It is only the absence of the same that ensues a path for change and when in pursuit of that challenge you find change. Travelling solo is just that. It is the beginning of change within. The fact that solo travel sets the individual on the trail of self discovery, as he or she plunge themselves in the unexpected and unforeseen forays of a journey and make no mistakes, there is every possibility of them desiring to have a repeat !