Trying to rekindle the love

Thought this would be the best place to post. I've had the game since December and honestly I love it. But after the last ET dropped I'm kind of getting bored with the game again, which sucks because I've loved playing it. I'm Mastery 20 on 3 missions, I've tried all the escalations (some not finished because I found some of the restrictions frustrating rather than a challenge) and me and a friend occasionally make contracts for each other. Is there anything I could do to get back into it again?