It is not well seen to be dating multiple people.
Zoe is a college student.
Zoe wants to go on dates and stop being single.
Zoe has fun with her date, and he asks her out again.
Zoe gets caught out on a date by another man she's dating.
Zoe develops a long term relationship and has fun going out again and again.
The other man dumps Zoe on the spot, and so does the man she's on the date with.