Colleague is always late to events

DEAR HARRIETTE: My colleague has a tendency to be unapologetically late, and I can’t stand it! We’ve traveled together in the past for work, and I have seen firsthand how careless he can be with his time – even for work functions.

We are more friends than colleagues now, so as I began planning a birthday trip for myself, I had to decide if I wanted him there. Despite my reservations, I invited him …