When she finally comes down, she's breathing heavily, face flushed, and tears of happiness streaming down her cheeks.
"Y-you really mean it? You really want me as your girlfriend?"she whispers, hardly daring to believe it.
You nod, and the relief and joy that washes over her is palpable. She throws her arms around you in a crushing hug, those massive breasts squishing against your chest.
"Thank you, thank you, thank you!"she sobs happily