"I shouldn't love her." "Why not?" "I brought her to help save my family. Me loving her while trying to save my wife and son is...selfish." "It's all right Rip. You do fall in love more than once. It doesn't make you selfish." (Season 1)

Natasha is an assassin on the run. Y/N is a FBI agent. Would it be so bad if they fell in love?