It's implied that Maya hated him?
in this game, anything can be or can mean different things, but it's probably more often than not the right bet would be to not overthink/overcomplicate... probably. although, where is fun in that?
as I see it - it is his dream so it is probably not meant to be interpreted that a real Maya would actually think that or could say that (not to say she wouldn't, it as well may be exactly what she feels and it would be understandable, but it is, probably, not implied there, it is not an indication or a hint about the real Mayas feelings - she could or could not think that, who knows).
so again - it is his dream, so it is what he thinks she might feel/think or it is what he is afraid of. so it's his guilt regret fear and other feelings that probably made this image of Maya who said what she said in the dreams.
it could be an exaggeration of what he thinks of her feelings or it could be what he fears she could have been feeling all this time but hopes it's not, or it could be he is quite sure this is exactly how she feels/felt about their "relationship".
either way, she probably didn't say stuff like this outside of the dream because she didn't think like that or she just didn't say it or did not want to admit it, etc. but this dream version of her feels this way and is vocal about it.
it is also possible that she said something like this in the past and it could be related to how this world was created in the first place and/or part of the reason for his "jumpy-jumpy" thingy