Why does he chose to save 1/2 of his tank for reserve?
If he just picked that number, then he's not ready to be soloing.
If he thought it through and can offer a more detailed, logical explanation for that choice, then maybe he is ready to solo.
If he just picked that number, then he's not ready to be soloing.
If he thought it through and can offer a more detailed, logical explanation for that choice, then maybe he is ready to solo.