Worried .

Okay so I've taken five test within the last week all of them are so faint .at first I was like it's probably an evap because I was using dollar tree hpt . Then yesterday I bought a clear blue and it was faint as we'll . AF isn't due until Friday but I'm 16dpo . (Unless I ovulated later ) but I had a pos opk on the first . My boobs were hurting but they're not anymore .. I'm still expierncing cramps on and off and I'm naseous at random times . But I don't know what to do I haven't even told DH yet in dear that they're all false positives . That would be my luck to have five evap lines . I want to get excited about it but having a hard time