He hadn't intended to become that vital but things had played out as such regardless. Almost as if it was a natural foregone conclusion the day the two of them met in front of the Order's Gate when she saved him from that moron Kanda.

Yet now they were both tangled together in such a way that Allen was forgetting where he started and Lenalee ended. The harsher pull to his hair only making him start taking her with increased ferocity in response.