They flood all at once

Rosalie was speaking with Cullen about the recent group of soldiers that had required medical assistance, since she believed that part of the reason of why the wounds were so infected when she got to them was due to an inadequate prophylaxis.

Suddenly she saw in the distance raven hair and she squeed, interrupting her passionate speech about cleaning wounds and usage of aseptic tools, running towards her lover, pulling him into an excited embrace and a kiss before being painfully aware of the fact that her brother was there, just….seeing it all.
Rosalie pushed him, blushing hard and avoiding Cullen’s gaze “uhm…brother? This is Vincent”