Then maybe we can discuss the evidence that you don't believe 'stacks up'.
The thing is, I'm not sure it would do much good in this conversation, because the alleged evidence (or rather, lack thereof) isn't what convinced you to believe in the first place. I'd rather talk about what actually convinced you, since that's more relevant.
I think that the 'heart', as used in the Bible, is more akin to conscience than to raw emotion. The Psalms talk about 'meditation of the heart' and about our hearts being searched by the Spirit of God. This means that faith is not a blind belief but a response that comes from our deepest meditation and innermost core.
Again, you don't need faith if you have good reason to believe something. Faith only comes into play when we start discussing things for which there isn't good evidence. If people tell you to believe things for which there isn't good evidence, that should raise giant red flags.
Conscience is effected by events in life, and similarly, the heart can become hardened and devoid of compassion. This, l believe, is why the word of God is so powerful because it is able to reach those parts of our spiritual being that have been blanketed by the dehumanising events of life.
It's odd that you think the "heart" or conscience can be corrupted, but simultaneously believe they are reliable guides to inform you what you should believe. How did you determine that a corruption of your heart isn't what caused your faith in Jesus or the Bible?
(A Bible verse won't do as an answer here, because I'm interested in your mindset before you believed in the Bible. Or were you taught Bible belief from childhood?)