but she knew it was happening , even though she had never really been in love before ; because her heart jumped every time he suddenly materialised in the inn after another day out in the streets promoting shows ; because of the jolt of indefinable power that surged through her body any time they accidentally collided as they rushed about their duties in the frenzied inn , she serving , and he ensuring the customers were enjoying themselves ; because each night before she went to sleep she imagined them together , wrapped lovingly in each others arms , isolating each other from the travails of the world .