blissfully ignorant 

When one's ignorance is used as either a coping mechanism or distraction from pain or simply reality, in which they are in a state of bliss far away from their problems.

"Michael seems to be a lot more blissfully ignorant these days, are we sure he isn't going through something rough?"

" I prefer being blissfully ignorant I don't want to think about the darkness in my life right now, it's too confusing"

blissfully ignorant by LostGirlInTheWoods June 4, 2023

Blissful Ignorance 

Being able to totally enjoy a situation while knowingly putting off something else.

and Craig said , oh i totally forgot to order your shirt because i was Embossed in the conversation.That was " Blissful Ignorance" on my part , My Bad....

Blissful Ignorance by Mastress September 7, 2009