How ppl change ...

In academic life, ppl used to meet whenever possible, freak out whenever possible but now they are now in so called "Professional" Life. Do things change so much ? do ppl really change ? Really, they don't have time ? or its just a way to get out from so called friendship. Finding some answers to it but not getting it. Is it me who is experiencing all these or are there ppl at the other end who think the same @ me ?

Am I thinking too much ? or is it the reality ? Lets see .....