It is rarely a good sign when, in reference to setting up a date, a girl tells you that she has a busy week and will let you know.
We already suspected that she was having doubts about this relationship and was merely buying time with you.
It may be ending like this even if you gave her a chance to tell you the truth about why she’s acting different and even gave her the opportunity to take a break from the relationship because she may not be particularly good at ending relationships the right way.
There is a good chance that she still kept several of her ex friends with benefits around for a while after those relationships were over as well.
She likes the attention that she gets when she is still able to text the guy.
Hence, she may keep him around until the next guy comes along that she is interested in, who is also capable of giving her the right kind of attention.
Once that happens, she is able to disappear from the ex’s life.
She will often do this without closure because the only reason why she kept the guy around in the first place, once the sexual part of the relationship was over, was for the attention.