Cat Stevens. Father and son.

It's not time to make a change,                        
Just relax, make it easy.
You're still young, that's your fault,
There's so much you have to know,
Find a girl, settle down,
If you want you can marry.
Look at me, I am old,
But I'm happy.

I was once like you are now,
And I know that it's not easy,
To be calm when you've found
Something going on.
But take your time, think a lot,
Why, think of everything you've got.
For you will still be here tomorrow,
But your dreams may not.