[He's relieved she seems to accept his gratitude without much prodding. Explaining his feelings is never his strong suit. It always leaves him feeling vulnerable, and a vulnerable Fenris is a cranky, angry Fenris.]

Whether I had to or not, I wanted to. It is only right, I feel, to thank you the best way I can.

[He shifts in his seat out of habit. he never really could sit still.]

It is a tar bomb. It's been useful in my travels, and it is my hope that it will be useful in yours. It immobilizes any enemy for an amount of time.