only a test at 3 months is conclusive.
"symptom watching" can bring on alot of stress and anxiety. symptoms are never a good indicator of infection, as those same symptoms can be related to a host of common, everyday illnesses.
test at 6-8 weeks for a good indication of your status...and if still negative at that time...follow up at 3 months for a conclusive result.
in the future...always use condoms and plenty of water based lube when having intercourse. sex lasts a few minutes...HIV LASTS A LIFETIME.