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

Serious disappointment when the client cancels a session.

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

General Introduction to Boundaries from Panahi Counseling:

What made Sally Field a standout choice for "Smokey and the Bandit" despite her reputation as a serious actress after "Sybil"?

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

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

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

Origami structures unfold into seamless surfaces for deployable applications - Phys.org

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

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

Off the top of my ancient head:

Now Is The Best Time To See The Milky Way’s Glowing Core In All Its Glory - IFLScience

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

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.

Obsessing about clients outside of work hours.

How severely should I get punished? Please describe throughly. Today I got my result of my test nd I found out that I failed in 2 subjects, my parents are currently in abroad nd I lied to them about the fail but I feel guilty now.

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