1 :an abnormal pouch<span> or sac opening from a </span>hollow organ<span> (as the colon or bladder)
2 :a blind tube or sac </span>branching<span> off from a cavity or canal of the body. the liver is an anterior diverticulum of the intestine.</span>
I think the first and important one would be to be an example yourself in your relationship and I think equal power relations also talking to them about it also does promote equal power relations
stop smoking and stay away from smoke
avoid indoor and outdoor air pollution
I think the answer would be conflicts, because that's something you would about your partner by dating them. I hope this was helpful :)!
B. it forces the body to burn fat