1. Getting rid of Eric using the wallet route or Kate's mom route.
https://f95zone.to/threads/big-brother-walkthrough-faq-thread.2613/#post-184183
The weed quest you only have to buy the weed and use it one time to finish off that quest.
Meeting Olivia is done 2 ways and both of them goes through Lisa.
1. Lisa is your mian GF and you have completed the Mentor quest and just keep playing and talking to Lisa.
2. Lisa introduce you to her and Olivia becomes your main GF.
At the very bottom of this page is the 3 different girlfriend paths, 2 for Lisa and 1 for Olivia.
Just remember that all content ends in v.10 for the Olivia GF path and all new content in v.11, v.12 and v.13 is only on the Lisa GF paths.
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