hi just wondered if any one can help,i have got my sisters shih tzu girl staying with me,her last season was in january just wanted to know the signs before coming into season as there is a entire dog 3 doors away and our fence is quite low,her vulva seems to be abit harder than usual she as gone really grouchy with my own girl dog and they are for ever sniffing each other more than usual and she seems to have gone off her food she as been with me for 2 weeks now and she as been eating great any advice would be great thank you