Was Jesus a real living being? Or, was He a myth, made up 60 to 70 years after the fact.
"Jesus" was a myth, made up via translations of the NT from Aramaic to Greek, or Greek to Latin, dear Quentin (peace to you!). The Holy One of Israel, whose name, in Hebrew, is Jah eShua... or in English, Joshua... was and is a very real living being. For a time he was a being residing in flesh; but for the most part, he was and is a spirit being. Although Paul (and others whose writings are attributed to Paul) did make some things up early on (because of (1) prior education and resultant Pharisaical leaning, (2) the difficulty of the message, especially to the nations (who didn't have the Law) and in light of the "traditions" of the Jews, (3) and so wanting to "prove" something to the apostles, other holy ones, nations, etc.; and (4) leaning on their own understanding rather than being led by the Holy Spirit in ALL things), he did progress, praise JAH! (Can you imagine what the Bible would contain... and how the world would be... had he NOT?? My understanding is that he was SO harsh in his first letter to the Corinthians, which is NOT contained in the Bible canon, that it could not BE included)...
he left it to us to interpret them
That's not accurate, dear WMF (peace to you, as well!). While it is true that many have taken it upon themselves to do so... for themselves and in large amount for others... self-interpretation is neither required nor necessary. Christ said that once he left the Holy Spirit would arrive and teach "us." He said that he would pour out "living water" and by means of that (the anointing), we could discern truth. He said that we would NOT be left, but that he would be with us... and he is (for those who make up "us").
He did not lie: he, as the Holy Spirit, leads us... by means of the holy spirit he gives us... into ALL truth. Problem is, humans tend to like to do things the "hard" way. They prefer "adult" rocket science thinking over a childlike "it's really very elementary" way of viewing things. Makes us feel all "important" and all. But more often leaves us in the dark about a lot of things that we would rejoice over, if we knew them.
Anyway, I hope that helps and, again, peace to you both!
A slave of Christ,
SA, keepin' it civil, so no name calling... and no preaching/witnessing (IMHO)...