What has brought you back to faith?

It's been 7+ years since I left Christianity, I've slowly been returning over the last two years. However I don't have that same connection, fire in me that I had when I was younger. My faith is low, I don't know why I've come back to God, I have but I also don't feel like I have a strong personal relationship with him. The only time that I feel connected is when I play worship music.

for those who left and returned, and it wasn't due to any big life change but just a general desire to return, how did you build your faith up again?

a big barrier for me is not being able to have faith that heaven is real, so any thoughts on that would also be great. thank you!