Ok, so I've been with the girlfriend JENNIFER off and on for about 4 years now. We have 3 kids together. She has a male " best friend " SAMUEL and my gut feeling is telling me they slept together and she's being dishonest with me. Mind you my GF is 24 and he is 19/20 not sure exactly. It was always odd she would have a best friend so much younger than her. They knew each other before I came in the picture. Now I didn't always feel this way about the whole thing but over time I noticed a few signs that grew my suspicions. FOR THAT TOBE HER BEST FRIEND ME AND HIM NEVER HAD ANY KIND OF COMMUNICATION . I ALWAYS NOTICED HIM GIVING ME COLD STARES THAT SOME MIGHT NOT PICK UP ON. I NEVER MENTIONED IT JUST KEPT IT TO MYSELF FOR MENTAL NOTES. FIRST INSTANCE was when a few of us (Me, My GF, her sister, Her best friend and his brother) went out to eat, we all caught the bus. We got into an argument about something ( I cant remember) so she gets up and sits next to him. THEY WOULD ALWAYS BE TEXTING LATE, 12/1 am which I had a problem with and she disregarded it. 2ND INSTANCE was when i confronted him about calling her late, I grabbed her phone,told him not to call late and hung up on him and he calls right back. Anytime we have problems she tells him about it. ALSO SHE HAS 3 friends ( LAURA, SHANTELL AND KRISTINE) that her best friend slept with. Now if I had to rate the friends on a 1-10 scale it would go LAURA 9, SHANTELL 7.5, KRISTINE 4 . MY GF WOULD BE 4.5/5 , She always tells me she would never sleep with him because of this reason. Which I think is BS. SHE OFTEN SAYS IM INSECURE AND JEALOUS of him LMAO. and never fails to say if she wanted to smash she would of been did it. So I let it go for awhile but my suspicious remained and I BUILT ANGER TO CONFRONT AND FIGHT HER BEST FRIEND ON MEMORIAL DAY AT A COOKOUT. ALCOHOL WAS IN THE EQUATION. WORDS WERE EXCHANGED AND THINGS ESCALATED QUICKLY. MY GF IS HOLDING HIM BACK AND HER MOM IS HOLDING ME BACK . I LOOK OVER AT HER AND SHES CRYING ? . IN MY MIND THIS IS A DEAD GIVE AWAY. WHY WOULD YOU BE CRYING IF YOU'VE NEVER SLEPT WITH HIM? SHE CONSTANTLY DENIES IT , BUT MY GUT TELLS ME IM RIGHT ON THIS ONE AND THIS HAS PUT A HUGE STRAIN ON OUR RELATIONSHIP. NOW AM I TRIPPIN OR NAW????