1 research "a stronger serum"
2 make and use a super serum
3 wait till maeve (the tailor) comes to you asking for a not height serum
4 research "more output"
5 research "a bust serum"
6 make one from the same place as the super serum
7 use on either yourself or your partner a max of 5 times for each of them to get a new cg (no Permanent changes)