Before you get concerned about communication changing between the two of you consider a few different factors that may be playing a role.
1. Have you left the honeymoon stage?
Researchers have shown that the honeymoon stage of a relationship can last up to two years but that relationships feel more settled down after this length of time.
In the early stages of a relationship, it is common to talk for hours and spend lots of time getting to know each other (if you didn’t have a pre-existing relationship before dating).