I can 100% relate to this.
I kind of got bored end of May time, coincided with better weather so I was more keen to be outdoors as well. Didn't really miss it, and wasn't sure if I would even go back. I only play Sport and Race C, never got into lobbies.
Then a week or so ago, I just had a thought to log in and see whats new. Daily races were now weekly, and the Race C (I dont usually do A and B) was Bathurst one (cant remember its proper name as I hate the track). I did a few races, fairly slow, qually time wasn't great and DR went down and just didn't have fun. So stopped for that week and waited to see what the next Race C was.
It was Le Mans, a track I dont know as I havent raced it for years on old games. So I spent 2 days learning the track and doing qually then when I was happy started racing.
The bug is BACK!!
Barring the usual frustrations with penalties etc, I am back to loving it. And I dont mind the weekly races providing at least 1 week in 3 its a race I will enjoy (so will have to see how that goes)
But yeah, loving it again!
The break did me the world of good, dont worry, you will come back in a month or two and love it again!