The Doctor truely wished he could hate the Master, It just wasn't possible. He had tried so hard to. He hated hearing the Master's cold words. Though he knew there was nothing he could do at this point.
He was considering to knock the Master out and take him into the TARDIS. He knew that was a risk. He would have to be careful if he did so. But he didn't really want to hurt the Master. He knew that no matter what he did the Master would probably be angry with him.
"Ohh....," He seemed sad upon hearing the Master said he wished it too. He had hoped the Master wouldn't wish that. He wondered if that was the truth. He knew the Master sometimes lied.

He looked at him after he slapped him. He almost wanted to say something more. He knew the Master really had deserved those slaps. He wanted to slap him more, but something seemed to cause him to stop. He knew that was because he cared for him.
He cared enough to not want to strike him too much. Once or twice to say he was mad at him was enough. The Doctor was also just not wanting the Master to hate him forever, He wasn't sure if he already did.
It felt sure that the MAster didn't love him as much as he used to. Even if he had said he loved him. Because he was sure he would have came with him easily.

"Just come with me!!" The Doctor said almost loosing his temper again. His eyes were red from the tears, He was on his feet though. He looked at his exhusband and wanted to just have him back.
He was sure he wasn't been selfish just because he was lonley. He did still love the Master. "Yeah as opposed to you who lashes out in anger and hardly shows emotions like this." He huffed.
He really was tired of the Master lashing out in anger. He had done that so much so in his previous form. He tapped his foot. He was getting impatient. As much as he wanted to go and just save the day. He wanted the Master to come with him.

"Master." He sighed and blushed when the Master pulled him into a kiss. He wasn't expecting such a deep kiss. He had missed this. He warpped his arms around him. He wanted to call him Koschei like the old days. But he knew this Master was far more unstable and would just get mad. He looked into his eyes. His Master he loved was still in there. He was confident he wouldn't get met with anger in time.
But for now he knew even if the Master kissed him now. He probably wouldn't see it as giving into his love for The Doctor. "I can't stop loving you." Oh he wished he could , that would have been easier.

Though soon he saw the Master pull away and grip his head in pain. He knew that moment was coming. He was at his side when he collasped, "Master can you hear me,"He knew the drums were bad. He wanted to fix that.
At this moment he wasn't sure how.
Getting no answer he realized the time lord had probably passed out. He was very concerned. He knew it was probably the best moment to get the Master into the TARDIS.

He rushed out to where he parked his ship and got in. He knew he wasn't able to carry the time lord so easily. So he made the TARDIS materlize in the Masters room/cell. The Doctor made sure the TARDIS materialized around the Master, He dragged the other time lord to a bed. It was very hard for him to. He put the blankets over him and let him rest.
"Just rest my Master." he then rushed out of the room and started up the TARDIS. 
"DOCTOR!!" one of the people working at the Ayslum realized he had freed the Master . Of course the Doctor couldn't hear. "Hes a mad man freeing the Master." another said. The Doctor just took off in his TARDIS. He knew the Master would be mad when he awoke. Probably. 

Once into the time vortex and them being on autopilot. He was looking around. He sighed and restrianed the Master with a TARDIS key, a trick he had used during the old days. He was sure that now the Master at least couldn't hurt other people as he was stuck close to him,
He made some tea but fell asleep soon after drinking it. His head rested gently on the console. The TARDIS making humming noises in hopes that his sleep would be peaceful. He snored a bit.