the question, offer of his assistance made her mind race. help wasn't something she ever requested from him, nor he to outright offer his hand so-to-speak.
it was unexpected.. but refreshing.
"I don't if you help.."
"do you wish me to help you? or will you manage on your own?"
wasn't questioning her independence. wanted to help if necessary. although he wasn't usually one for chivalry, he was trying to make an effort with the woman he was betrothed to.
this was helping him learn how to behave in the company