Next Stop Everywhere:
If you offer a child a bag of sweets, they will gladly take it, possibly without a thought. If you offer them the entirety of space and time, they will take it too.
All they see is a mad, wondrous man standing before them with stars in his eyes. He spins rich tales of future civilizations and beautiful planets that you have only seen vividly in your dreams, and they conclude they would be crazy to decline his offer for them to travel with him. So away they fly in the bright blue box, the bigger on the inside box, the one that seems to have warmth to the air, which always seems to be vibrating with life. Who wouldn't want to see the future of the human race, meet great figures from the past, feel ice cold space against your skin, step foot on new planets and see things that are guaranteed to blow your mind away. And there's danger too— adrenaline pumping through your veins, fear spurring them on, excitement flaring in their minds. They take everything in stride- a near death experience does not stop them from hungering for more danger, more things to amaze them. The Doctor never ceases to surprise them, and most grow confident in his ability to save anyone, anywhere. The day they find out this is incorrect is a rather unpleasant experience, and some leave their new, exciting life because of this. The Doctor watches them come and go, but he never stops his own madcap life, be it when his companions are sleeping or vacationing or stuck on a crashing spacecraft. He often grows extremely fond, even comes to love his friends dearly, and is saddened when they leave or, in the worst cases, die for him. His sadness is often consumed with guilt; if he had stayed away, not made the grand offer everyone wants to hear fall from his lips, they would still be alive. Sometimes their death is his fault, more often it isn't, but he's always plagued by guilt. You would think he would have the sense to stop taking friends along for the trip of a lifetime, but loneliness defeats all else. He is not just a mad man with a box, but also a lonely mad man with a box, one that is only complete when he's with other people. Countless have fell deeply in love with this man, different faces of him, but the same man. This is a mistake, because he can never love them back. Not really. The Doctor has been alive for over 900 years of death, destruction and hardship. He never pauses, never falters in his endless running, and though he can 'fall in love' he attempts never to allow himself to do so, because it would be another heartbreak that will shadow his mind for the rest of his days.
Many of us would gladly accept a trip on his blue box of wonders, thinking we are completely ready for this thrilling way of life. Perhaps, when that wondrous man stretches out his hand and proclaims, "Next stop everywhere!" we should truly think about the offer. Think of all the heartbreak and loss and pain that accompany the excitement. And maybe we should decline.
It's up to you.