Ok, I admit, my knowledge of martial arts is limited. But that’s what Google is for! I read up on the holds and throws of Judo and selected Tani Otoshi as a suitable throw for Rose to master fairly quickly. It is one which DOES, indeed, give even a small, slim girl like Rose an advantage over somebody as tall and powerful and skilled as The Doctor is in comparison.
And yes, his reaction to her taking advantage of his position to kiss him is just what might be expected. He believes in the discipline of the dojo.
The Doctor and Rose having an argument, just as any couple might do! It is a shock to the system. They are obviously in love. They enjoy being together. And yet, they can both snap and hurt each other. The gods have feet of clay. Even the strongest of lovers can have bad days. And this was a bad day for them.
And it got worse!
Why did I choose
I do know it has a lot of fashionable shops, and a cocktail dress there was likely to put a little hole in The Doctor’s credit card. But he had some making up to do and she couldn’t REALLY go to dinner in a loony tunes t-shirt dress. The contrast between Rose’s quite little girl choices of everyday clothes and the more sophisticated ones she gets to wear on these occasions is deliberately emphasised, as is the ‘pink bunny pyjamas’. The age difference is still bothering The Doctor. As much as he loves Rose he finds himself reminded, constantly, that she is an inexperienced girl and he is a man with more experiences than he needs.
In the on screen relationship between Rose and both Doctor #9 and #10, the key element was that their love for each other was obvious but unspoken. They NEVER told each other ‘I love you.’ That made the last episode of the 2006 series all the more poignant, when Rose finally managed to say it to the projection of The Doctor from an alternative universe which closed before he had the chance to say it back to her.
And it IS The Doctor who has problems with that phrase. Even here in this emotional story, she tells him, in her own way…
. “Because I love you, you soppy git.”
But he never says it back, and he doesn’t kiss her on the lips. There is still a bridge they have to cross before they can say it to each other. But unlike the televised version of events, there is less doubt that they will get there.
The Doctor’s injuries as the terrorists open fire on him have caused some questions from readers. Yes, it is perfectly true that these were WORSE than the bullet wounds the seventh Doctor received when he was forced to regenerate. But it is argued that it wasn’t the bullets that killed the seventh Doctor, but the surgery being done on him without knowledge of his anatomy.
Yes, in my stories I do give The Doctor far more obvious ‘special powers’ than he appears to have in the TV series. On TV they play these things down. My theory is that they are too cheap to spend money on the special effects. Well, maybe not. But it is true that in text it is possible to let the imagination run a little wilder than on TV.
So The Doctor is able to choose not to regenerate his body,
but to put himself into a very deep trance and repair it himself. These
deep trances were seen quite often in the Jon Pertwee era, when the alienness
of The Doctor was quite often emphasised, 
but
less so in later years.
The idea of him discussing his problems with his previous incarnation came readily enough. And as it was Eight who, as far as we know, fought that Time War everyone talks about, and was so badly wounded in its final phase that he regenerated into Nine, there are obviously some issues between them. The Doctor has a lot of unresolved angst over what happened. Some of it is resolved here when Eight tells him he has nothing to feel guilty about, that the way he recalls the fragmented memories of the holocaust that destroyed his world is wrong. But that is another story. And one not yet written. Whether it should be is the big question. Many people have tried to interpret it. I might have a go myself one of these days.
http://www.karate.org.yu/articles/48%20techniques%20part%202.htm
