Most Helpful Girl
1mutual sexual attraction (otherwise you can only be friends)
2personality compatibility - same core values, hobbies... (you will agree on important things which will be unlikely for relationship not to work, youd also like to do similar things so it will keep you close)
3I dont even have it, first 2 are enough
Most Helpful Guy
1 she cums, 2 she knows how to ride, 3 she's a good kisser!