If you're serious about finding a soulmate, not just a one-night-stand, don't use this kind of language until you know it's welcome.
She felt like the morning after a drunk, one night stand.
Which means, what happened between you and this Gabriel was more than a one night stand.
She needed time to compose herself to tell him about her one night stand.
An adult dating chat can have romantic overtones and be part of a developing relationship,or it can be a down-and-dirty one night stand.