There are different kinds of relationships across the miles and they require different things. Wonderful at your friend's wedding in Wisconsin – and you live in Biloxi. Wonderful you've been dating for five months in Biloxi gets sent to Chicago for a six-month assignment.
Or, worse yet, his dream job moves there permanently and you don't want to choose between your own dream job (still in Biloxi) and your dreamy boyfriend. You and Wedding Wonderboy are getting to know one another across the miles, while the relocations take away a known quantity.
We discovered this when somehow we skipped two planned phone calls and I completely freaked out.
Or are you just trying to maintain the relationship as it stands now, perhaps in a different place?
Those of us who've tried can all attest: it's haaaaaard. So rarely does one cliche so succinctly sum up something.