Crystals will be needed early for a multitude of reasons and one of the ways to obtain them early is by breeding your characters to produce eggs.
The reason is that, if you decide to drive with a vechile and you drive at full speed on that npc, the game will instantly crash.
Rise and brandish the power of the Elden Ring to become an Elden Lord in the Lands Between.
If you still have questions after doing your homework then come back and ask.
Doing a ritual with a species which you have already done a ritual with will only grant as many points as the genetic max level difference between current partner and the former partner of the same species which you had ritualed with.