Hi Rebecca,
Firstly welcome, secondly no-one can diagnose you on here, your GP will do that. Also, what type db you may have - different routes for different types.
Re the liver, there is a connection definately but without knowing what the 'something' is you'll need to wait to see the doc - Someone with more experience will be along soon.
If you do get told you have db it's not the end of the world. For many of us, it's a blessing in disguise to a better, healthier lifestyle but expect to go through all the usual feelings anger, denial, acceptance etc.
Let us know how you get on
Mary x