We took Merlin swimming for the first time yesterday. Everything seemed to have gone well. This morning, we noticed that his bed was saturated. Didn't smell like urine, didn't know what it was. Brought him to the living room to hang out with us as we usually do and noticed that he's been drooling excessively. Any ideas? Could he have swallowed too much chlorinated water at the pool yesterday? There are no other symptoms (no vomit, lack of appetite, diarrhea). It's as if he's not wanting to…