What m4/3 lens do you use most often?

My 3 and a half year old 20mm f1.7 is still my go-to lens and stays on my camera most of the time; it's a versatile focal length (not too wide, not too narrow) and has a good max aperture. I also generally carry round the 14mm f2.5 and 45mm f1.8 for when I want either wider or a more portrait focal length.

I have various other lenses that I use occasionally, like the Panasonic 14-45 & 14-140 for video, the Voigtlander 25mm f0.95 for special shoots and various old OM and C-Mount lenses I use for fun sometimes.