Only he had the strength and financial capability to acquire and give a level three pill to others.

Betsey also surmised that Anthony really liked his fiancee very much for him to give such a high grade pill to her as a gift.

Moreover, she also noticed that when Maria took out the pill bottle, there was actually no change on Anthony's face, as if he wasn't surprised at all.

Was he already expecting that?

In the end, Betsey believed that it was Anthony who had given the bottle of pills to Maria.