Mostly it is about managing your levels of stress and knowing your limits. And lots of good strategies rather than therapy. One thing I realized is I need a lot more sleep than I had been getting. And I need to ration social 'work' (that's how it feels - hard work).
Autistic people are very prone to trauma - basically they are hyperspensitive to many stiumuli and emotions - so there may be residual trauma to deal with. But there are multiple ways to do that.