What are some signs that a therapist may have poor boundaries with their clients?

Off the top of my ancient head:

Failing to mention the client in supervision/consultation, out of fear the supervisor/consultant will advise return to ordinary healthy boundaries.

Eager anticipation (or anxious anticipation) of the next session in ways that distract.

Here's what happens when quark-gluon plasma 'splashes' during the most energetic particle collisions - Phys.org

Obsessing about clients outside of work hours.

Sense of competition with persons who are important in the client’s life.

Frequent phoning or texting of clients to “check up on them and make sure they’re OK.”

How do I get access to a dog for bestiality? I am currently unable to adopt a dog, but I want to know if there are still ways to have sex with one without getting caught.

Routinely going over the time limit with certain patients, compromising the time for the next client.

Struggling with fantasies of deeper connections with clients, whether sexual or parental or other intense or intimate relationships beyond psychotherapy.

Serious disappointment when the client cancels a session.

I’m running away I live in Indiana what states near by are safe I’m 12 no comments?

Session-expressed curiosities about client details not relevant to the therapy.

General Introduction to Boundaries from Panahi Counseling:

These items can happen fleetingly, briefly, in any therapy, but if they’re frequent, it’s definitely time for the therapist to get some good, solid supervision/consultation.

What are the most meaningful Jewish jokes that reveal insights about Jewish culture?

Disclosing feelings, fantasies, and experiences to the client in ways not related to the work the client is engaged in.