Having a hard time trusting

Two things that God says - "Do not worry, I will take care of you" and "I will will never give you more than you can bear." So why does it feel right now that I cannot bear what God has given me and that I am worrying about everything?
I do not feel like sharing details, but today is a not so good day. It's not anything big, just a bunch of little things. I have one night of good sleep in the past week. I even gave up caffeine, hoping that would help and Sunday night was OK, then Monday night was good. Last night, back to being up for a couple of hours. This doesn't make my frame of mind that great and I worry and I fret and I am having a very hard time trusting God that He really - OK, sorry to say this, but - gives a flying fig about my family. Everyone else He seems to bless and then I wonder if it's because I am not doing all that I can do in our relationship and I think, "No, He's God, He's supposed to love me like a daughter and not withhold things because I am not doing everything I can. I would do anything I could to make sure that R has everything he needs and make sure he is never hurting and certainly that he always knows that I care about him."
I think honestly that "The Prayer of Jabez" is misleading. "Jabez cried out to the God of Israel, "Oh, that you would bless me and enlarge my territory! Let your hand be with me, and keep me from harm so that I will be free from pain." And God granted his request." 1 Chronicles 4:9-10 Do you remember that book that was based on this verse? And all the spin offs - "Prayer of Jabez for Women", "Prayer of Jabez for Kids" and all the paraphernalia which made my husband almost blow a gasket at all the Christian retail companies who seem to exploit things for profit (but that is beside the point! :). We all got on this bandwagon and prayed this prayer - Bruce Wilkinson who wrote the book promised that if you say this prayer for 30 days, just watch and you will see God bless you. What a crock! God never promised us this! This verse was about a specific person, one who God did choose to bless. But for the everyday regular Joe Christian, God promised that we will have trials (which we do) but He will get us through (OK, I am having a hard time believing that today).
I know that tomorrow will probably be better, in fact life will probably look better if I just go and have a nap now. Rest does a body good, right. But at this moment I just needed to vent and spill a little and wish for a moment or two that everything in my life turned up sunny and rosy all the time.
I have so much to be thankful for, so much. A house that I love - it is a great size - not too big and not too small. We got into the Calgary market at a good time, so not tons of debt! I have a car that I enjoy and runs well. I have family and friends nearby who I can visit with. I have friends far off who I can call when I need to chat. I have a husband who is a hard worker, provides for our family, who I can laugh with and love and who loves me lots! I have a son who I am watching grow up and I am loving every minute of it. One who tells me "Wuv Mommy" and asks me if I am OK when I cry.
If you think to, please pray for me and for DH today - we could use it.