Is he still in love with his ex?

I’ve been seeing this guy for 3 months and things are really good, i know for a fact he likes me. i’ve just been traumatised by guys so i’m always a little doubtful. i told him i’m an aquarius and he goes “so was my ex”. he literally never speaks about her but that time and another time he shows me a snap of a photo of the aquarium saying is a disgustingly skinny, mean… and “my ex” was written before it. in 3 months he’s said these two things. what does it mean?
Is he still in love with his ex?
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