3. When her emails sound disinterested, e.g., “Oh, really…”
“It might be proof that her feelings for me have cooled off…” Casual replies can lead some men to think that your interest for them has waned. If he incessantly sends you inconsequential emails, blowing him off might provide a good lesson. But you should also try to understand his need for attention. Communicating directly about it would probably clear the air.