Hi Darcy, not sure what you mean by a bit just 'sitting there'. Could it be that you need to change weaving/seaming style so that you can avoid glues altogether? Shame you can't show a photo.
This company claims to have a fabric glue that is washable and works well with knits but perhaps it's a matter of trying different fabric glues available to you:
Maybe try on a swatch?
On the OT. Have you had a test done for Epstein Barr? (I think I'm spelling that correctly). You can google that.