Is he still addicted to porn?

I've been with my current boyfriend for one year and recently discovered he used to be addicted to porn. I'm concerned about whether or not he still is. I found his web history on my computer (we only have 1 comp) after coming home from work a couple weeks ago-- hours of looking at TS Porn. (TS- transsexual) I was and still am completely devastated, having had a failed marriage with a man who was also addicted to porn and caught cheating with men on craigslist. My boyfriend had told me in the beginning of our relationship that he was appalled by porn and found it disrespectful. He claimed to agree with my feelings wholeheartedly and I truly never suspected him of this. After finding the porn and his attempt to hide it, he admitted that years ago he had a porn addiction combined with a pill addiction and after overdosing on pills, decided that both were destructive paths and no longer wanted either. He told me he was jealous that I found a job before him, felt depressed/angry and reverted to the selfish child he used to be when he did those things. I cannot understand this mentality.. Should I be concerned that he is still addicted and struggling, which he says he isn't. He claims he did not enjoy it but rather enjoyed "doing whatever [he] wanted" much like a rebellious kid? He looked at it for hours, is he lying when he says he "didn't like it" just to appease me or sugarcoat his mistake? Also, as I previously noted, it was TS porn.. I am ultra confused about this, too. He didn't look-up anything other than TS porn, and that it used to be his main and only porn of interest. I am not a TS female, but did introduce using a strap-on.. which now I cannot decide if that was a mistake. (I had no knowledge of his past fetish, just coincidental I suppose.) I must state that while some people are okay with porn and may not see this as a problem, please understand that it is not welcome in my life, due to many other circumstances than my previous marriage, and those I have chosen to date have agreed not to view it. My trust has been seriously violated and I cannot decide if this seems like something that can be healed, or if he is just lying to save face and keep me around. We are not married, do I walk now or risk being hurt again.. I love him very much and we are so compatible, affectionate, have a great sex life. He even moved across the country so I could finish college at my home university. I've just been so utterly burned in the past by repeat offenders and probably would not have entered into this relationship and relaxed my guard if I knew these things. And he knows this, too. Thank you. Please reply with any thoughts and questions.

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