What beliefs would we consider reasonable for a self proclaimed Christian to hold?

[He lives]

There were 7 periods of creation time mentioned in the book of Genesis which were called days. We also read:

(New Testament | 2 Peter 3:8)

8 But, beloved, be not ignorant of this one thing, that one day is with the Lord as a thousand years, and a thousand years as one day.

Yep, the old 2 Peter gambit.

You do know -- don't you? -- that 2 Peter was written at a time when Jesus' failure to return within the lives of his followers had become something of an embarrassment and a scandal. Hence, the spin. And here we are, two-thousand years (or "two days" if you prefer) later, and idiots are still falling for that spin and waiting for that return.

Any minute now . . . 

First of all we know that those days were not earth days because earth days didn't exist yet, they did not exist until the fourth day of creation. Therefore it would be extremely unwise to say they were after the reckoning of earth days. Peter had the Holy Spirit to guide him as did the other apostles.

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There were 7 periods of creation time mentioned in the book of Genesis which were called days. We also read:

(New Testament | 2 Peter 3:8)

8 But, beloved, be not ignorant of this one thing, that one day is with the Lord as a thousand years, and a thousand years as one day.

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What you are stating is an opinion and not fact.

What I'm stating is backed by thousands of studies and millions of books of verified data.  This is not "opinion".  These are accepted scientific truths to most of the people on this planet.  What you are stating as fact is equivalent to:  "my comic book says that Superman comes from Krypton".  Therefore, Superman exists, Krypton used to exist, and anyone that says otherwise is only stating an opinion!

I suppose that is the way you see it. There are also millions of books stating otherwise. Abiogenesis is a dead end. Where are all of the so called species to be found that were between the monkey and man?