- At the age of 20 he is like a local train : stops at all stations.
- At the age of 30 he is special :only stops at large towns.
- At the age of 40 he is like express : stopping at big cities only.
- At the age of 50 he is locomotive : stops only for water.
- At the age of 60 he doesn't leave anymore : he remains in the yard.
At the age of 20 she is like Africa : semi explored.
At the age of 30 she is like India :warm, matured, & mysterious.
At the age of 40 she is like America : technically perfect.
At the age of 50 she is like Europe : all in ruin.
At the age of 60 she is like Siberia : everyone knows where it is but nobody wants to go.