Welcome.

(Not incredibly old but I like this one)

Welcome to my mind,
Dark tunnels are not hard to find,
Take a left and then a right,
The tunnels will end with a bright beam of light,
Round the bend,
Is confidence needing a mend,
We have the builders in so entry's forbidden,
It's such a small room it's practically hidden,
On the top floor is desire,
Full of passionate flames of fire,
Responsible for sexual needs,
Add to the desire the flame it feeds,
It's a big room so take your time,
Hit the right button to ecstasy you'll climb,
The imagination room is worth a look,
It's full of fairytales and ideas for a book,
Rainbows and magical things,
Fairies and diamond rings,
All that your heart could want,
In swirly rhythmic fashionable font,
Next up we have the memory room,
Full of happy times and a melodic tune,
There's also a dark corner,
I've taped that bit off with a red border,
The rest of my mind is yours to peruse,
Go take a look I've nothing to loose,
But never ever speak the tour of my mind,
Don't forget the secrecy clause I had you sign.