It seems the love interests block the path of some other relationships (I think something like this has been posted before):
- Maya & Josy block the relationship with Jade because the mc is with M&J when Jade is waiting for him in the parking lot.
- Jill blocks the relationship with Nicole and Sandy as well as Nora because the MC looks at the photo he took of her at the picnic and decides to leave the bar.
- Having a relationship with Cathy will force the end of the relationship with Bella, so conversely if you want to be with Bella you have to forgo the relationship with Cathy.
- And if you want the "very good 3 out of 5" rating with Sage, and her extended sex scene at the HOTs party, you have to ignore sex with every other character in the building (except Josy).
But Jill is the only one that demands you forgo another major LI if you want to stay solidly on her path!
If you choose to stay and look after Sage rather than go on the picnic with Jill, Jill's feelings for the mc aren't very strong, so technically (disregarding your moral position) you should choose the picnic with Jill over Sage (which sounds lousy since the plans with Sage were made first and she's sick for fucks sake!)
Otherwise, if you choose to look after Sage, you don't get the Jill solo scene at the end of ep 7 (even if you've done everything else right), and if she has her little crying scene with Josy in the bathroom after the mc's dick is showcased to the world, she says, "A guy I thought I liked" as opposed to "A guy I like" (or something to that effect).
So bottom line, Jill is the most demanding of all the LIs!!!