Make out!help me PLEASEE!!?

so..me and my boyfriend made out like once at our homecomming game. everyone one was tell us to and he wanted to and i kinda did too... what happpen was.. see we were hugging on top of the baseball feild bleachers and noone was there. we hugged forever..it was kinda like we were slow dance xD but anyways.. then we kissed once.. and i could feel his tongue wanting to come in my mouth..but i let goo.. then we kissed again..and again... and then thats when we were craazzyy! it only lasted about 3 sec tho..i ended up with his gum in my mouth..along with alllll his saliva!! YUCKK! so my question is.. ;; how do you kiss a guy and swallow his saliva? its disqusting!!! and..after my 1st makeout... i felt guilty..like i disobeyed my parentss.. and i like felt like i did something wrongg.. but i need advice to help me get over that.. hellpp??