The best thing to do is take a walk,forget about it for ten mins.
If you cannot fix something the more you get worked up about it the less likely you are to be in the right frame of mind to repair it or get it apart.
Post up a pic of the leaking banjo and it may help us to suggest something else.
And don't put a huge negative on the whole car,just take on 1 job at a time and deal with that.
There's a little yellow box with what looks like a mountain above the box you write in,press that and that lets you upload pics to your thread without having to use photobucket.