Based on the context and the answer, generate a question. 

Context: I called a good friend of mine back home last night right before I went to bed . It has been a long , long time since we have seen and heard from each other . We talked for a while . Seven years have passed and things have changed in the recent years .

Answer:

It 's been between 5 - 8 years .



How long has it been since the narrator spoke to their friend .