[header] How to tell when a guy is no longer interested in you [title] Look for reduced communication. [step] This can be one of the first signs that a guy is losing interest. Usually, you can safely assume that a guy will contact you if they want to talk to you. 
When a guy that usually calls and texts you frequently stops doing so, you should take note. [substeps] More isolation and less verbal contact can be a sign of declining interest.