Answer:D)typical
Step-by-step explanation:
The best years are the earliest years in most couples life based on research but when the kids come people always get distracted with the focus on responsibility of raising kids.
Sometimes they will be fights caused by kids getting out of hands and the arguments about proper discipline strategies and conflict about college funds and many more .
Couples don't get their normal alone time when kids are around which usual cause the strain in relationships .
So this explains the typical relationship.