Sounds like it's not far, why not go? If you can go during the week you can get a nicer hotel at a lower price and hopefully take some pics for IG.

Electric toothbrush (oral-b). Has helped a lot. Bonus tip from my dentist. Don't rinse right after brushing your teeth. Needs a certain amount of time for the flouride to work. From the ada on this: Should you rinse after brushing? | American Dental Association

You are already fairly lean. I don't think you NEED to put on more muscle but if that is a desire than start lifting a little heavier. I'd try some different haircuts over time and see if you can find one or two that are better for you and more masculine. Also wouldn't hurt to play around with different options for short facial hair and see what you think and what responses you get from others.

Look for therapies to help with the PTSD. One I'm aware of is called EMDR.

A little more about EMDR. The person I met that was practicing this had a previous experience with an accident involving a semi. Afterwards when driving this would cause her problems. After treatment it no longer bothered her. I think in her case it helped with what many would call a trigger. It's something that happens that takes you back to another place and how that felt. I do think it's possible to change this so you don't have that reaction if that is what you are experiencing.

Guessing it's private for unknown reasons. Definately not public on his channel currently if I'm correct this this was on Tristan's channel. https://www.youtube.com/@tristandarshan/videos

Looks like its reposted but just a little bit shorter.