How often should my boyfriend take me out?

We're both home bodies and also trying to save money. He used to go out all the time with other girls. He wants a future with me, is going to propose marriage to me soon.
He took me out someplace to go for a walk last week. A couple weeks before took me for dinner for our monthly but we both paid...

I know from his social media he did pretty much go out to outside places or drinking a lot with previous girls.

He he is thoughtful with me about finding movies or picking things to do inside. He does put thought in, but it's for indoors stuff.

I want to talk to him. Also know if this is ok? I never have gone out much. I don't want to plan our dates for us.
How often should my boyfriend take me out?
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