Jesus never promised to fix your plumbing. What he did promise was much more important but rarely understood - he promised to deliver you from suffering through complete surrender.
My sister's husband of 25 years died suddenly two weeks ago. They were a very close, loving couple. I spent a couple days with her two days after the death. Guess what? She is fine. I mean TOTALLY fine. She is not suffering at all. We laughed and talked for two days straight. The reason she is totally fine is that she had previously learned how to surrender to the will of God when she had breast cancer. She doesn't pray for God to change things or fix things or blame God when things turn out badly. She acts to make her world better but she surrenders to what happens. And in that true, deep surrender she finds total peace.
Within the Christian tradition, buried underneath the bullshit, politics, and dogma is a true mystical path to happiness beyond conditions and an imperturbable peace. Few find it. But it IS there.