I would have rather read something with concrete goals. Not just oh hopefully maybe I'll be married and happy by then. Life is an insanely strange journey and the more you try to plan the more disappointed you'll become.
When it comes to finding a partner, excessive planning is actually very harmful. You start to develop the strange idea that your owed something, or if you do x y and z a partner will materialize. I have several friends who are divorced now, you just can't predict the future. You might fall in love with someone amazing and then they suffer a breakdown and can no longer continue the relationship. Or you might be the one who suffers a breakdown.
It's hard enough to predict what you're going to be doing next month to be honest. Why try to guess what's going to happen in the next decade?