history: My boyfriend is out of town for work and I really miss him.  I'm so used to him being around I didn't realize how lonely I'd be without him here. That sucks but they do say distance makes the heart grow fonder. 
current: I'm not sure what you mean, but disntance does tend to make things more difficult
next: My boyfriend is out of town for work and I really miss him. I can't wait until he gets back.