Yes, I've felt 'different' even more so as I've got older. I was 'arty', loved literature, philosophy etc..
I gave up teaching in early 2002 because I felt that I couldn't reach all young minds anymore (inner city Bradford Comp.). Now, in a country village setting, I can.
I also find it hard to understand some official attitudes.
I don't know if it is available in any way near you, but could you try a Creative Writing course? Or a simple Writers' Group. You will find people who are prepared to think, accept and engage. Warning - you need to be prepared to be the same to others.