Hurt my boyfriends feelings. How to apologize?

So earlier, I had a question about whether i should break up with my boyfriend, cause of his independent lifestyle. he had a talk with me on the phone and he told me that i should think about what i really want and call him back when i have my own decision. other people told me that better communication was needed. So i decided not to give up and try to keep this relationship going. But after that hang up till now. He said he was badly hurt on his personal messages. He always thought of me as a girl that always loved him and was able to trust him and this was the perfect lifestyle that we bothed loved. But when i told him how i felt, he said he felt so heart broken because I was something i wasnt. And all this time.. i was only making an effort to continue on till today, He was also hurt because he said i only thought of this relationship where he never cared about me and all he came close to me was the work and other stuff i offered to help. At times i really hope that my brain will just shut up. I gave him a call in the afternoon.. telling him that i was sorry and i still do care about him. but it was only an 1 min thing cause he was busy... and when he got back home he rather sleep then give me a call.. or send me a quick message. Im so lost and confused. How to make him feel eased a bit more and forgive me... sigh..