Being biased?

Sick feeling on and off. Only 3 days late, but I have faint lines on my HPT(could be evap). Boobs are sore and I'm cramping. My BBT have been higher than normal. Am I just being bias or are these true signs of a BFP? Going to pick up a diff HPT after work to test again in the morning. Wish me luck. Any advice is much appreciated :)