I married when I was young at 22 and 12 yrs later she did dirty. We were great together to begin with etc etc but she was younger than me at 19. We were both finding our feet and kids came along so we were soon mum n dad and lost the husband n wife part (no not in closeness/physically but in the sense of not buying loads of time out for us, as our times were family time) . I personally think being too young and starting families (planned or unplanned) can cause much heart ache n breakups.
Several yrs later I'm back to being married with kids again and it's great, stressful at times and worrying with kids but great. First experience makes you stronger and later in life you know more about yourself and what you want/likes are. But if you wait too long you will miss out on great partnerships and the joy of parenting.
My Mrs just helps by kicking me out the door to get some work done
and sorts my accounts