3 stories.

1. The IdiotTwelve/Clara mature
The Doctor looks deep into Clara's eyes... and to his horror realizes that the bonding has been triggered. He must either mate with Clara or die. He chooses death.
5094 words; reading time 17 min. 2015/09/12
2. It BeginsTwelve/Clara mature
The Doctor thinks he knows when it happens.
737 words; reading time 3 min. 2015/11/08
3. Free WillTwelve/Clara mature
The Doctor doesn't entirely enjoy his condition.
868 words; reading time 3 min. 2016/03/20