Ditched by my only friend

For context… I had a main friend group… during pandemic some shifted away so the friend group broke…
Then I went through something traumatic and was in depression and social isolation
Post pandemic the social isolation hasn’t completely gone away…it comes and goes in phases….
Out of the remaining friends 1 is an extreme extrovert friends with everyone so I don’t see her often at all…so we also drifted away…
Sad thing is she has many friends but she is (one of my) only friend…
The other guy is also what I consider close friend…but we aren’t “monogamous beft friends” lol… he has some other friends and I don’t

So I asked him on Thursday if he wants to see oppenheimer next week…he says going out isn’t possible cuz someone has died in his family…
And boom Saturday my man is hanging out with someone else at the mall…I saw it on his story…
Haven’t talked to him…
Definitely won’t blame him…he’s not my slave
But
I just feel sad you know 😒
Kinda like betrayed….
All of this is because of my social isolation and anxiety…
This is just a rant lol…
Thx