abstinence in relationship advice

At the beginning of our relationship we had a lot of sex, from about January-February. After that I found faith in God (my boyfriend is also Catholic and brought me back to the faith. I was Catholic as a child but lost faith in high school). Since then we have been abstinent, through being long distance. But now that we are back on campus we are finding it increasingly hard to remain that way. We've been here for four weeks and slipped twice. We both feel very horrible after it happens, and we say that we won't anymore, but it's hard when we're together/cuddling. 

I'm a very touch oriented person, and I would like to avoid having to cut out cuddling altogether but we both have the tendency to give in. I'm trying to figure out ways to make it less of a problem. Is there any advice that you have to help remain abstinent/avoid loosing our will to say no. Any advice would be appreciated, as we both want to uphold the values of the catholic faith.