Hi, I am glad if I can help.
You should take silica as a supplement, you can buy it out of "the health store" in liquid form. It helps to strengthen the connective tissue, which will be a big part of your problem. Taking zinc and vitamin c supplements also help with this, and the hawthorn, like I said. You have to keep the silica liquid in the fridge though, and you may have to take it for the rest of your life to keep you connective tissue stable. You will have to take breaks in between though, every 6 months or so for a month, that is important in order to keep your kidneys sound.
Really, take the silica, I can only emphasise this as it helps with the root of the problem and will help in preventing you having a recurrence, although, obviously it is no guarantee either.
As for the constipation, I am not sure, but I think it may be related to the hernia, I myself never really experienced this. I eat very healthy though, only whole grain foods and fruit etc. and hardly ever any chocolate. You should see that you eat lots of vegetables, fruit and whole grains too to help.
Also eating probiotic yogurt, that will probably help a great deal. Apple juice really helps quicken things up too.
Once again, go and buy the silica and take it regularly, it is just a food supplement and is in our diet anyway, just not in high enough dosages for some of us.
Try and push the bulge in whenever you can, some exercise is good, as long as you keep it light. If you can do anything about the limp, then you should as this will put strain on the area, which won't be good after the operation either.
Let me know how you get on and after your operation too if you don't mind.
I hope everything goes well for you!
Lena