So, we have contacted you.

 

Thanks for checking us out.   

 

Please rest assured that we do not make a living by wasting people's time, and that we have contacted you (yes, you specifically) for a valid reason.

 

We will not be offended if you do not reply.  We will simply understand that now is not the right time.  Or is it?

 

The problem with grasping opportunities, is that they always arrive at oh-such an inappropriate time.  That promotion that you just accepted, the new project, that promise of a better career opportunity...

 

Damn those headhunters.  How dare they put that spanner in the works.

 

If we could count the times when people come back to us 6 months later... 

 

Pick up the phone and explore.  What's the worst that could happen?