[His head and his heart. He hadn't thought of it like that, but that's an apt comparison. Neo continues to gently run his claws through Sonic's quills, nuzzling against his boyfriend at that.]

Thank you. I promise I'll be careful so you shouldn't ever have to do something like that - but now you know what to do should anything ever happen to me again.

[It's a concrete goal that Sonic can work towards, and that seems to have calmed him down. Neo's pleased to see it, of course.]