Ok so I have a chocolate lab that just turned a year old. She retrieves well but is still learning. She has several commands down and loved the water up until recently. Since the weather has turned cold she doesn't want to jump in. Today I had to coax her in the water. Any ideas? I do have another lab which is my main bird dog and she goes right after the birds always has. I've been taking her hoping the young one would pick up some tips. Both dogs have cabelas vests to help with the cold but not sure how to get my younger lab to adjust to the cold water. Any help would be appreciated.