Among the religious documents of the world, the Bible is unique in many respects. Not the least of these is the assurance it provides to those who believe it. We may better understand the appeal of the worship of YHWH in ancient times when we set it side by side with the worship of other ancient deities.
No other religious experience of that era in human history was framed in terms of relationship. The historians who write about the worship practices of other nations do not even use the word. The pagan invoked “my god” repeatedly, but there was nothing about his religious experience that would assure him the deity he addressed (assuming he or she could even be identified) cared for anything but a peace temporarily negotiated through blood sacrifice and offerings.
YHWH accepted offerings, but he was not like that.