Really struggling with the loss!

I was really adamant about putting this app as far away from viewing as possible. I had a miscarriage at 6 weeks and I honestly can't stop thinking about it. I know I'm not the only one going through this but it's running my life. Any advice on staying positive about pregnancy in the future. I feel like I have really missed my chance. I don't want to be disappointed again. I'm trying so hard to be optimistic. I'm sorry for all of your losses. Big loves. Xx ps I thought I could see a line but now I'm just driving myself crazy over it like checking it all the time and I have done like 7 tests in the last 3 days I feel like I'm nuts!