Him catching everyone's attention probably can't be helped and he probably doesn't do it intentionally.
As for the one way of communications I know the feeling, you feel more like a friend of conveniance than a real friend despite having reassurances. Probably best to tell him how you feel. Then again you might have to ask is he worth it? My situation wasn't and i let the friendship dissolve as he was a prick. Hopefully though it won't come to that, good luck!
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