after replacing rear main seal 3 times in last year,im at a loss..??????,anybody got any ideas?

Is it the rear main seal that's leaking?

Mine leaks from just about everywhere LOL... You may want to try replacing the PCV valve though, I've heard that when they clog up, they will actually increase the oil pressure enough that oil will actually seep through the gaskets, and I've also seen it push the oil dipstick out and squirt oil through the dipstick neck... Only problem is that the PCV valve in my jeep is built into the valve cover, so I'll probably rig one up externally...

The valve cover on my 4.0l leaked and it would drip down the rear of the engine so it appeared the rear seal was leaking but once the valve cover gasket was replaced the dripping all stopped...you might want to try that first since it is easy and cheap to do...other folks have said if you do not get this gasket tight enough it will also leak and since you cannot see the back and that is where there are a couple of bolts...