I think that is a misconception. Mares aren't necessarily moody, any more than geldings are guaranteed to be laid back... One of my mares is so darn chirpy you would think that she's on drugs!
now i've had another look i see what u mean about confo,
Michelleice if you think mares are moody you wouldn't believe my 17 year old gelding, his moods put any mare to shame