Welcome! That is great that you are able to do some of the things and manage your disease.

This is a good site that has routines and exercise progressions that will help you work up to your goals Start Bodyweight Training: Start Bodyweight basic routine   For a challenge goal, my suggestion would be to take this routine(or something like it) and do it 3 times a week.

How about "meander"?     I'm tempering my expectations on the chocolate, no pun intended. But otherwise, yeah, that'd be a good challenge.

He is stupidly, annoyingly wholesome, and it makes him far too good at this mentorship thing. That is why I can both agree with his stupidly wholesome objection to overseeing this challenge, and not be willing to let him off the hook. (For once, the consequences of a stupidly wholesome mentor aren't all surprise suspensions for me. "For my own good" bites the other way now, doesn't it.)

It’s stuck with me for 30 years, haha

<a href="http://www.gigaglitters.com/"><img src="http://www.gigaglitters.com/created/diq7mkD9qa.gif" width="464"  height="80" border="0" alt="http://www.rasaint.net/ - Glitter Graphics"></a><br><a href="http://www.gigaglitters.com/">http://www.gigaglitters.com/ - Glitter Graphics</a>   I love that the cards presaged your celebration! It’s downright magical. 

@Radost that is a good story. 

But wild swimming, smelling like chocolate, and magic stress reduction also sound great.

Run

I agree, summer is disgusting and 36C is horror.  In the words of the acclaimed Flight of the Conchords, Stay cool Brett, Brett stay cool.