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

Off the top of my ancient head:

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.

General Introduction to Boundaries from Panahi Counseling:

Is TikTok a creation of the porn industry? To make porn more normalized and accepted? So the porn industry doesn’t lose customers?

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

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

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

Why won't Canada build their own fighter jet?

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

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

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

What do you think is the #1 cause of why relationships nowadays don't seem to last long?

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

Obsessing about clients outside of work hours.

Serious disappointment when the client cancels a session.

What are the reasons behind Europeans preferring to visit third world countries over taking holidays in their own continent?

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