It looks like one of your more shallow friendships is moving to a much deeper level -- this is wonderful, but some of your older friends might be getting a little bit jealous that this newer person is taking up so much of your free time. This is a tough time for juggling people, and it could be stirring up some resentment. Try to integrate this new person into group activities so that everyone can spend more time with you -- and get to see how wonderful this person is.
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