Guys: Does it mean anything when you favorite/retweet a girl's retweets?

There's this guy I like and he never favorites/retweets any of my tweets or retweets, but we hadn't talked in over two years. We recently started talking again (not like an interested in you way, but because I asked for a favor) and we've seen each other at school again. Now he's favoriting and retweeting several of my retweets, which as I mentioned before he hasn't done really ever. I know that they say when you like someone's tweets a lot, it's perceived as flirting, but where these are more my interests and indirect tweets, as they are only retweeted by me, not actually tweeted by me, I wasn't sure if the same applied. He's a very selective tweeter, and this day in particular he favorited and retweeted two of my retweets and he only liked like 4 tweets altogether in the entire day. Please help!
Guys: Does it mean anything when you favorite/retweet a girl's retweets?
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