I need some advice on my bf im really hurt ...?

ive beeen with my bf for two months now and i thought things was going fine weve never argued hes really nice, not perfect but who is he, he has hes moans alot cus he works so hard and lives bout half hour away from me so when i do see him he has to drive over to see me, im not to fussed what people say or think but about only being with him for two months but i love him and he says he loves me to which i genrally believe, i mean love starts out as a little thing and it grows and grows as each day goes by, im quite insecure because of ex's treating me like sh*t and cheating on me.. but with this one i had not let me insecurites get in the way of the relationship because i really like him, yet yesterday he was acting a bit suspicious just things he said and things he done, so i know i shouldnt but i checked hes phone and my istincts were rite and he had a txt on his phone from this girl with lots of kisses and sayin thinking bout u and miss u etc and saying yes of course u can talk to me wenever you like, which means he must of txt her to begin with to say can i speak to u or whatever i dont no as there was no sent msgs, i confronted him about this and he is lying because i can tell wen he is by little things ive piked up on in past wen hes lied about other things, (not girls) we argued he rang the girl she was making out like she was sorry and they were friends and she didnt mean to cause any of this to happen and id got the wrong end of the stick, she wanted to speak to me but i didnt so she got of phone and i fealt a bit better he cuddled me and said he would never cheat on me and tryd to reasure me but then he got a txt sayin THANKS! from her i said reply saying y ? so he did and then he got a reply but as sn as it *** thru he deleted it without reading it properly sayin it was from a boy friend i askd him to prove it by txtin that boy to ask if he just txt so reluctantly he did then loked himself in bathroom till reply, which yes the boy txt bk sayin YES? but note the question mark cus y would he put that if he knew he jut txt him he could of easily askd his friend to just txt him the word yes, he thinks things r ok nd tryd cuddlin me etc bt i didnt react as i dont no if it is true or nt , i hve been cheated on plenty times in the past wich i always reacted with aggresiveness nd violence but this time i cant seem to im just hurt sooo bad i keep crying i feal sick and ive got like a pain inside me, its not anythink hurting in particular i just fealt hurt... please some advice sorry its soo long p.s if any one has been in this situation b4 cud they plz tell me how the reacted and what they did and if it worked or not thank u :) x