That's strange. I've just noticed where mine has started leaking. The past couple of oil changes i've noticed it wet under there, where something has obviously been leaking. Well i changed my oil Wednesday night, wiped everything off really well, and yesterday it was dripping while running

.
I've searched on here to try and pinpoint it (hoping it's not a rear main), but i'll have to do more inspecting to make sure it isn't an intake seal. It's just hard to think that they all started leaking.
Maybe yours won't start dripping.