Fall in love with 12 year older women, what should I do?

she is married and have kids, is about 40 year old. i am 28 right now. i can't take my eye off her, want to see her, touch her. never felt this before for any other girl. i feel internally happy when i was near her think about her most of the time.
what i need to do?
propose her
friendship with her husband
elope with her
attrack her like the frog, peacock etc
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everything is achievable
Fall in love with 12 year older women, what should I do?
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