CLEAN : London mayor Boris Johnson backs Brexit in blow for Cameron

The speaker initially hesitated to oppose David Cameron and the government but, after much consideration, decided to advocate for the 'vote leave' campaign.

What was the speaker's initial feeling towards going against David Cameron or the government?

What does the speaker mention as a consequence of their heartache?

What does the speaker feel they can do after their heartache?

What action does the speaker intend to advocate for?

What is the name of the team that the speaker refers to?