I would really look into the anger problems... consider it seriously. Which is not to say "get out" but is to say don't take them for granted, don't assume things will get better in time (they won't). If it is a real problem and he recognized that and is willing to get help for it then that might be good. But that means real help and sticking with it, not "promises" that he will "seek" help after you are married. I'd say something that shows he is serious about treatment and that he will stick with it after you are married (rather than thinking you're "hooked" so he can stop worrying about it. Going to counselling together is a good sign, see what happens from there.

As for the "knife," obviously there is something bigger going on there, it could be a simple as cold feet about commitment (it may seem to him like you are taking over and replacing all his stuff with yours... all you did was pick out a knife set but in his mind it may be a symbol.) Or it could be a manifestation of his anger problem, looking for things to get angry at. Since anger is already an issue I'd definitely put it high on a list of priorities to sort out.

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