How do you say "I love you" to a girl?

[Maggie]

Hi everyone,

If a man likes a girl, and he wants her to be his girlfriend. He probably would give her some flowers or talk with hers a lot. He might call her very often. I am wondering how you depict this kind of action.

John wants to confess to Vanessa.

John wants to catch Vanessa.

John wants to go out with Vanessa.

Which one would you use or what would you say?

Thanks a lot.

Maggie
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[Mister Micawber]

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John wants to go out with Vanessa.

The other 2 sound odd indeed.
.
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Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mr. Micawber