Bozo said this once (and I attribute it to him, because it's damned good): when asked if he's a Christian, the right answer is "no, but I'm trying to be."
To call on a point of reference that most of us will recognize, I think often of the last bit of Saving Private Ryan, as the old Ryan, remembering the sacrifice and loss that were necessary to get him to his old age, asks his family "tell me I've lived a good life."
The way I see it, there are two types of people in this world: 1) those who ask that sort of question at the end of their life (and are never satisfied with the answer, because they know there's always something more/better that they could have done) and 2) those who really don't even give a fuck about that question. I have told my wife more than once that one of the things that keeps me up at night is the knowledge that I've fallen short: I haven't done enough to help, I haven't been as kind as I could be, I haven't done as much good as I could have. The answer of "you've done plenty" is unsatisfying, as you're acutely aware that you could have done more . . . and if you could have done more, then that means you haven't done enough. Intellectually, I know that's not true. Spiritually....well, spiritually speaking, I'm not very intellectual. I'm a simple man. If I gave someone my shoes, my question after the fact is "wait, why the fuck didn't I give him my socks, too?"
And by the way, I am NOT posting this to make a point that I'm some good person - quite the opposite. I fall short more epically and profoundly than I could ever be comfortable with. I'm not shit. And even though I say "but I'm trying to be" with respect to being a Christian . . . am I really? Am I really trying? Or am I another selfish lazy piece of shit? Signs point to the POS option.