"Uhm… I can't disclose everything." Ashley said.
"Then I can't help you." he simply said.
She needs his help because she is lacking one ingredient and also because she can't take risk of misdiagnosing.
This guy is the expert and can even tell her the approximate time of the birth and how many kids the target had.
(Author: This is very foolish and kind of impossible to do the above. This is purely fictional. Forgive this author for doing this)
"I can only tell you that my brother was once in love but broke up because of a third person."
"However, his ex-girlfriend still loves him and he does as well. So, they are hoping to start fresh but there are a few things they have to take care of."
"This test I am asking you to do might come useful to them at some point of time." Ashley gave a brief summary.