Not always, he could either be seeing someone else, or he is not interested anymore, among many other reasons. I myself am going through that same situation, but It's a she, not a he. =
Also, as one other person said, they could be wanting space, before this happened how often did you talk, spend time together etc??? There is a number of reasons why this goes on, and space, one may think a couple of days, but alas darlin, It can be anywheer from days to normally a month or so, so they have ther time to have space and think about things and consider things, whether they want to keep going and persue or not. Or he could just be straight up busy, work, school, whichever you know?
Probably, I hate him >=[
Ill text ya hun! =)
Maybe you should ask him and if you don't get a response, there you go, you know to move on.
A lot of some one elses.
or ************ on your picture in his phone and shorted it out