I NEED HELP!😭😭

Soo, me and my man have been together 6 years and we have 3 kids. He has NEVER EVER given me any reason to thjnk or suspect that he was cheating. Hes always been completely honest with me and has never hid anything from me... so i thought!😭😭 tonight i went through his phone and i haven't done that is YEARS! Just for some reason i had a bad feeling. Well i found an UNSAVED number he has been texting and has been for a couple weeks. There was nothing really bad in the text but he was offering to give her money and bring her food... umm wtf?!?! Also saying he can come over after work and shit... there was nothing said that makes me believe hes already done something but idk bc their messages also didnt really make since like things were being deleted or they talk on another app.. im so sick to my stomach i threw up! I want to confront him but idk what to do! Im hurting!