God is not mad at you - and God has not left you. Sometimes when we go through rough periods we find it harder to feel his prescense with us - but he is there. Don’t confuse God’s presence with emotional experiences invoked through circumstances you are going through right now.
The thing you must do is to draw closer to hima nd seek him out. Read scripture, pray, praise and worship.
Perhaps there is a lesson in which you are to learn from this. It is through our trials and tribulations that we are broken and where the Lord comes in to pick us to restore us. Sometimes he delivers us out of it, and other times he gives us the tools to come out of it. But the lessons learned are to be written on your heart - it is part of your remolding - it builds faith. Perhaps search the lesson out and ask God what it is he would have you take from this. Change of attitude as to the circumstances you are experiencing.
Paul gives testimony to this very thing
2 Corinthians 12
7To keep me from becoming conceited because of these surpassingly great revelations, there was given me a thorn in my flesh, a messenger of Satan, to torment me. 8Three times I pleaded with the Lord to take it away from me. 9But he said to me, "My grace is sufficient for you, for my power is made perfect in weakness." Therefore I will boast all the more gladly about my weaknesses, so that Christ's power may rest on me. 10That is why, for Christ's sake, I delight in weaknesses, in insults, in hardships, in persecutions, in difficulties. For when I am weak, then I am strong.