The context of the following conversation is Carson suffered a loss at the hands of the enemy which made everyone much less confident in his skills.:
Carson says I lost, I failed.
The friend responds Hey don't worry you put your best effort in.
Carson responds I did, but the enemy was too strong, people aren't confident in my skills anymore.
The friend responds You'll earn that confidence back you're tough.
Carson responds Thank you, I need to think this over.
The friend responds You're one of the best of the best, you won't lose again.