Blood!! I'm having my heat (estrous / period) cycle now!!
Evident of blood stain in the living room floor:
Do you know:
1) A dog come into heat average every six months but it could be more or less often.
2) The heat last for an average of three weeks (21 days). But it can be shorter (two weeks) or
longer (four weeks).
Sigh... So looks like I gotta be closed in the kitchen till I stop bleeding....
Portrait of fear. Hiding in the toilet cos the thunder is roaring. 
