Duke,
Glad to hear things are going well.
The intestines are touchy. You have less of them now as well (around 20 inches shorter).
Some people keep a log book of what they eat and what kind of reactions they get, frequency of bowel movements, consistency, etc. Then they can control better through diet.
I like to eat most everything so I just deal with it and don't bother tracking.
It gets better over time but some things will set off your digestive tract for a while to come yet.
I've heard some have constipation issues but I've never had that particular problem. I used to be regular like clockwork, once a day in morning. Now it can be 2-3 times in the morning, again in the afternoon and again in the evening.
Sometimes normal, sometimes close to but not quite diarrhea.
Other days it is just once or twice.
That general discomfort can last (although reducing over time) up to six months. The walking and exercise helps though.
Remember, this is an investment in the rest of your life. Hopefully, that is going to be a long, long, long time and this six month period you are in now will be well worth the investment. I can tell you in my case, the return on investment has been a lot better than my 401K.
Mike