Gully is a very good horse. Amazing ground manners, and gets along very well with my other gelding. I was very surprised. Bubba doesn't take well to males at all, but he has no problem with Gulliver.
The vet is the best choice. There may be an underlying issue with her gut movements, or it may just be normal. The only way to find out is with a vet.
There on the tips of fair fresh flowers feedeth he; How joyous his neigh,
there in the midst of sacred pollen hidden, all hidden he; how joyous his neigh