Help!

My emotions are on a roller coaster. I’ve been ttc for baby #2 for four years now. Something weird happened so I decided to test. Family tells me they see nothing. Am I losing it? I see a vvvvfl. My first test was showing positive a few hours later I took another it said negative. Since then I’ve been confused and have took many more. I told my sister that is not ttc and knows 100% she’s not pregnant to take one with me. I wanted to compare them. We took them at the same time the same brand and this is what I see. Help me! Am I just seeing things? I’ve been having symptoms of my AF coming and I’m hoping it’s not that 😥😭. Many have told me that the CB test needs a high levels of HCG in order to get a true positive. I feel like giving up. 😥