All the faith that he had had ('had had' as in the past tense of has because he used to have it) had had (the faith's effect on his life had (past tense of has) done something) no effect on his life. its like saying he had had a lot of faith, but it had had no effect.
John and Joe took a grammar test where you had to decide to either write had or had had. Their teacher was looking over their amswers. John, whilst Joe had had had, had had had had. Had had had had a better influence on the teacher.
what about this one?
The teacher asked James and John to say the past tense of the the man has a cold. James said he had a cold, John said he had had a cold. So you could say: John, while James had had 'had', had had 'had had', 'had had' had had a better effect on the teacher.
The teacher asked James and John to say the past tense of the the man has a cold. James said he had a cold, John said he had had a cold. So you could say: John, while James had had 'had', had had 'had had', 'had had' had had a better effect on the teacher.