Love is patient, love is kind. It does not envy, it does not boast, it is not proud. It is not rude, it is not self-seeking, it is not easily angered, it keeps no record of wrongs. Love does not delight in evil but rejoices with the truth. It always protects, always trusts, always hopes, always perseveres.My simple and short answer to the question is: Faith in Jesus means to Love! But if the asker is talking about romantice love, faith in Jesus obviously is more important.
If your romantic love is asking you to choose between him/her and Jesus, it is a sign to not continue with that relationship! Because in every relationship, Jesus should be at the center, and not an optional or temporary component that your "(romantic) love" can replace when he/she comes along! It is actually quite sad to hear some stories of men or women giving up Jesus (i.e. in the form of stopping their service/mission for Him, like singing in the Church choir, etc., or by giving up their daily prayer routine, etc.) for what they think is their "true love."
Anyway, this is where Faith comes in - can you have faith in God that he is still preparing someone much better than your current romantic love? Or will you settle for the current one? In the end, it might actually be the same person, only a better person. Or it could be a person you haven't yet met. Or it could be someone you have already met but you don't know yet that it's him/her. It could be anyone! And he/she will certainly be a gift from God. But God would not give you a gift that will let you choose to abandon Him.
It might be difficult to imagine right now how anyone could be better than the current, and this is where True Faith comes in, the kind of Faith in God believing that He has the best plan for us, and that we don't have to stray away from Him.
True Love waits. Personally I know this for a fact. If you want to know my story, drop a comment.
Anyway, the decision is yours to make. What do you think God would like you to choose? I pray that your choice is the same as what God would choose if He were in your shoes. Give it some time, think about it, pray for His guidance. Next thing you know (took me years - but it's all worth it), you have a great story to share with others who are undergoing the same "dilemma."
God bless!