But she did not have no story besides to be part of a few quests and send you off to kill a few silver hands. Now don't get me wrong I thought Aela was hot. Last but not least she actually has a story. ) and if your an archer she can make your eleven arrows even stronger. (She can bite me any day is all I got to say. Serana on the other hand can change you to a vampire lord again and again after you have cured yourself. After your cured your screwed if you wanted to go back. Aela may give her blood to make you a werewolf but apparently she will only do it once. She's the type I'd fall in love with in a heart beat.