That was very likely. That being said it wouldn't stop Allen from touching Lenalee in the future as well. Nothing ever could. Well no if her brother was in the same room he would certainly curb that desire before it got them both in trouble. No more accurately only him. Because He would be the corrupter of the chief's precious sister.

When she started moving on top of him, Allen pelted out another keen moan while his hands sought out Lenalee's as it to give her an anchor before she could fly away ahead of him. "It will be. Together with you nmgh there's no way it wouldn't be."