Is it normal to doubt you want to be with someone you “love “ like is it even really love if you doubt it

My boyfriend once told me during a 5 month break up after dating me for 3 years

“ I’m not sure about what I want anymore” when I asked him if he wanted to be with me . And we ended up getting back together 4 or 5 months after. But what he said keeps on replaying in my head a lot ...