How can I ask for my boyfriend’s attention and time without sounding needy or clingy or codependent?

For context, there are times where i want to just be treated like a baby and coddled and well taken care of , mainly while im on my period, but i feel like ny boyfriend isn't the best at taking in my difficult moods yet. And im scared to show him those sides of me because im not sure how he will react. We have been dating for 10 months.
How can I ask for my boyfriend’s attention and time without sounding needy or clingy or codependent?
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