My boyfriend says I'm too passive. Since when is being laid back a bad thing?

I have been with my boyfriend for about 3 months. The other day he told me I am too passive and "to get mad about something" because I said I didn't care what movie we watched that night. I can be a fiesty person, but I have not found anything meaningful to fight about over the past months. I thought my laid back attitude was a good trait. I am very adventorus and passionate person. I know his last girlfriend was a major drama queen, but that just not me. What is so bad about my chill attitude?
My boyfriend says I'm too passive. Since when is being laid back a bad thing?
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