Either they're noobs to love or they're both not the sharpest tool in the shed. 

Are You Human Too? - he is an Android and the is his body guard. He does not know how to love, and she thinks of his a bare machine in the first place

A Gentleman's Dignity - 3 of the 4 couples are a bit dumb and realize pretty late, how mach they love the other person:

1. he is a playboy, and she is one-sided in love someone else.
2. she is an arrogant superficial golf pro, and he is rich and  former playboy
3. he is a useless lady's man and she is a rich bitch
4... age gap stuff