I'm having a similar issue LT. I text my T this morning and several hours later she still hasn't replied. This is very unlike her, which leads me to think something has happened OR she doesn't think my text warrants a reply (which would be hurtful and go against her saying she will always reply). She wouldn't be annoyed as I only clarified recently that it was okay to text. If she's decided not to reply I don't know if I could get past this because she has always made texting safe by saying she will reply to me. One time she didn't but that was when I'd already said I was going to send something to her right after session.

I feel physically sick and feel like crying. Part of me is angry at myself at caring so much, I wish I could just not care about her now. But I'm also worried. I guess if she crops up on WhatsApp it's obvious she has decided not to reply.

I really hope you hear from your t and it's a simple explanation.