Am i ??

I had a light 4 day period I just realized I had sex on my fertile window day 5 days later I feel funny feeling in my belly starting to get Lil pain on left side eating like crazy getting emotional and oh yeah last time I had sex I spotted a little that night and it was gone my breast not sore yet kinda raw but when I rub on them they make me horny more my bf even say I'm gaining weight