Shortly after I got married, I awoke one night with a start.

And not just in an airy-fairy, romantic way: I was responsible legally.

I had signed my name on a marriage certificate and that was it.

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It was even more daunting because, two weeks prior to the staring-at-the-wall-in-the-middle-of-the-night incident, I was a student.

Millie Bobby Brown has recently celebratedher marriage to Jake Bongioviat a similarly young age.

I mean the person sitting opposite you sipping coffee in the morning will have evolved.

Their hair will be different; they probably wont wear slogan T-shirts anymore.

Your relationship with your parents will shift; youll get closer to some friends and drift away from others.

People often cite growing apart as a reason for divorce, but growing is unavoidable in your 20s.

It does not envy, it does not boast, it is not proud.

Holding on to mistakes or keeping a record of wrongs has disastrous consequences.

Say sorry earnestly, and be ready to forgive.

Thats what my friends are for.

Community is important; if you expect one person to meet all your needs, youll be very disappointed.

Prioritize time alone together

In my 20s, I wanted to do everything.

My focus became doing everything, while my husband was somewhere in the background.

Before we had kids, we used to go running together and talk and talk and talk for miles.

Sometimes one of you will forget to take the garbage out or hang the washing or charge the toothbrush.

Issues can be so ingrained you need a third party to tease them out.

Do you want kids?

Do you want to go traveling?

Do you want to live near your mum?

Do you definitelynotwant to live near your mum?