Can he change? I don't think so?

I just found out not long ago my partner has a thing for younger girls even tho he still has his other interest!! Can he stop him self from being sexually attracted to these younger girls he says he can't help what he likes... it has me worried he said he will stop than days later he cryed saying he didn't want to stop days later after telling me he would stop i have this feeling he won't be able to stop at all.. he can watch what ever he wants but not that shit!! also his additude has changed he sexualizes everything even though I've told him how It make me uncomfortable he still continues to say things he shouldn't I'm so confused ๐Ÿ˜• what to do!!
Can he change? I don't think so?
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