I bought my ex girlfriend some flowers and chocolates, but something happened the next day. I regret doing it know. Need some help?

Okay, so a few days back I admitted to my ex that I can't be just friends, I'll always want to be more. I asked her a couple of times she must tell me if I should stop being with her since she was in a relationship with a couple of guys since the break up and still is in a relationship. I also ask she must block me if she doesn't see a future with us again. She just replied okay and never blocked me. Since then I haven't spoken to her. Anyway yesterday I felt for some reason in my heart I should buy her a bouquet of different color roses and a chocolate with a message that i hope brightens her day. I did order some and it still needs to be delivered to her, I felt good doing, I don't expect her to come back to me I don't know why I did it. She still has no clue that I did it, I asked the florist to keep it anonymously. This morning I woke up going through my whatsapps and I saw her status were she was hanging out with her boyfriend that have another girlfriend, I think he is more devoted to cause he hits my ex girlfriend (even tough she hurt me. I still care a lot about her. And will do anything for her to so she would stop seeing that guy) also the other guy that was with her is also her ex, because he cheated on her. So basically she is hanging out with a bunch of men that hurt her. Before me was in a 3 year toxic relationship.

It hurt me this morning when I saw it because she was doing so good and now she falls back in the same trap. I regret ordering her the flowers now. I can't cancel the order now

Feel free to ask more questions or a better explanation (English is not my native language)

I bought my ex girlfriend some flowers and chocolates, but something happened the next day. I regret doing it know. Need some help?
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