Hello dear , hi
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I have evaluated your query thoroughly .
*  H.Pylori does not require lifetime PPI .
*  Taking 
omeprazole regularly make adaptation of the stomach mucosa 
    cells  to  the  particular molecule .
*  Solutions for this
-  Gradually taper the dose of omeprazole to stop it .
-  Strict  dietary  management  with avoidance of oily , spicy , non veg , 
    hot beverages , junk foods , dairy  fat .
-  Preference  of  bland , vegan  diet .
-  Regular walking in fresh air , exercises , 
YOGA .
-  Avoidance of 
smoking , alcohol if using .
-  Avoid 
stress , 
anxiety .
-  Manage to have sound regular sleep of 8 hours .
Hope this clears your query .
Wishing you fine health ahead .
Regards .