Feel like my brain playing with me

I had a miscarriage on June 18 -21 when I cane to the hospital my hcg levels were 3.2 on that Friday my midwife called and said I wasn’t pregnant and my pregnancy symptoms stopped on June 18 a week later on that 26th I had unprotected sex again on July 9 my boobs were sore and I had pain in my sides again so I took a pregnancy test and it had a faint like I took another test a couple days later and it said negative now my boobs are sore on and off and my sides hurt like when I was pregnant is this my brain playing with me oh and I have an appointment aug 7 and ima get blood work