I have a colleague who’s a fantastic person to work with. Professional, polite. We are both seniors. All good on that end. But our place of work is toxic, and we lean on each other in the work sense - a lot of politics, etc. I understand he’s under a lot of stress, but lately I feel he’s constantly on me during the week. Texting at 6 am on the way to work. Comes over to my desk. Telling me so much personal info. He’s been like this for years, but since we weren’t in the same department, maybe I didn’t notice. I am setting boundaries, but my issue is that he’s so essential for me at work, I can’t cut him off. Over the weekends - zero communication. Monday 6 am/7am! He’s not like this with others at work. He’s now showing me the pics of his holiday, kids, and cats. I am happy to he his friend, but it’s getting intense. I don’t always reply, but his texts are so sad and intense that I must reply.