Your house is always so neat - how do you manage it? She likes everything neat and tidy. You have such neat handwriting. They did a very neat job stitching up your knee - there's hardly a scar there
FTR is often used to indicate that the speaker may not agree with what they are about to say and wishes to distance themselves from it. However, it can also be used to emphasize the speaker's role in something that they wish to take credit for.
i second that emotion (I feel the same way). The motion was proposed by the club's chairwoman and seconded by the secretary. "I could use a drink." "I'll second that (= I agree with you)!"