Given that a rebound relationship time frame can go all the way up to a year, it will give the rebounder enough time to figure out whether they are in love with the other party or not.
It also gives you time to define the direction you want to take as far as romance goes.
A wandering soul in search for meaning.
If you are afraid of a committed relationship after a serious relationship ended you are definitely on the rebound route.
Even those who are somewhat enjoyable would usually be better off avoided.
trust, grief issues you name it.