I've known my best friend for 8 years. We used to meet up every week, go to the gym, watch movies together etc. But 4 months ago she became distant and started making excuses whenever we arranged to meet. She even canceled her own birthday after inviting me over to her place. I bought her a card and present but she didn't seem interested. She told me she was going through an "antisocial phase", but recently she joined Facebook and added a bunch of her old friends.
Now all she does is sit at home on Facebook all day long talking to her friends and posting dramatic statuses, but she rarely wants to go out or meet up with anyone. There have been a few times when she's been out for drinks with her other friends and posted all the photos online. It's hurt me a little because for 4 months I've been trying to see her, but she always gives me vague answers like "yeaah we should meet sometime" or "maybe in a few weeks" etc, but she always ends up cancelling it. Then she'll post something on Facebook like "that dreaded moment when someone asks if you're busy". It makes me very sad. She even quit the gym and bought a treadmill for her home so she never has to leave it.
She seems perfectly happy being a hermit and communicating on social media, rather than maintaining her real life friendships. I don't know why she's become like this because she's such a warm and funny person -- I just think her self-esteem gets to her. I try and talk to her about it but she seems well aware that this is who she has become and she doesn't have a problem with it. In fact, the more I tell her I miss her company, the more she avoids me
Do you think she's actually happy or secretly depressed? I feel like there's nothing I can do to make her interested in hanging out with me again.