hi.. i have only had my yorkie since november last year...she is 6 years old...the other owners did'nt treat her 2 good...but she is the best little friend i could ask for....i worry as she eats grass at least once a week and is then sick....she is full of energey and does not seem ill..anyone else have this happen?..she has only done this the past 3 weeks....will be gratefull of any help... i did hear it could be a habet or coming into season as i don't know when she is due....thanks for any help...