2nd day with vvvfl

Erin
Ok so it's my 2nd day with a vvvvfl. It's definitely there but it's not any darker today. My husband sees the second line but still doesn't believe me when I say a faint line is still positive. He wants to see the line as dark as the test line or a test that says pregnant. I've heard the HCG doubles every two days so I'm hoping tomorrow's is darker. I also ordered a pink dye first response kit. I've been using the strips off Amazon which still work great, just want to use a different brand to confirm. I'm 11 DPO and my AF is due 10/26.