1) Lucas is totally into you. Whenever a guy buys something so expensive it means he ..........
2) We are just friends Nancy. Why are you looking at me that way?!
1) Me and you both know the truth. Just be careful. You don't know him yet.
a. has got an eye for you
b. eyeing you
Please let me know what is the difference between these two idioms and which one for what reason is more appropriate in this case?
To me, according to the dictionary definitions, they both make a perfect sense here.