Momo offering a life-threatening amount of her blood just in case it may give her a shot at alleviating Shamiko's suffering, Shamiko just openly admitting now that the only thing she has ever been working toward was seeing Momo smile, good god, these girls have really given up on all subtlety.
Also I really like Sakura, she seems like a great person, I can see how somebody like her would have been able to keep up this precarious truce for so long.