The ice alien detects the nervousness, though deciphering where it is coming from is proving to be a bit trickier. He can be relatively sure that with her, it's not a matter of his species or appearance. Perhaps she does not like relying on others? He was like that when he first got here—and still is, at times.

"Oh, do not worry about that. I did not offer in an attempt to get something out of you. I simply patrol these waters all the time, so it is not like you would be adding work. But I have not meant to make you uncomfortable. If you have an arrangement that is working for you, perhaps we should leave it at that..?"