Advice on late bfps/faint lines

Hey ladies, I’ve tested today and got an instant line, it’s faint but it’s there (I posted a pic and 100% of you (85 votes) said you could also see the line) il post a pic below too, I’ve just retested a few hours later and got another instant faint line.... only thing is, I’m now late for af for about 6 or 7 days, so surely I should be getting a dark line?? I don’t know what to think :( pic of test below

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