Why do you think so many guys stop trying to win over a girls heart when in a relationship?

Why try already got her
Romance fizzles out
Over worked
Not enough time when you have children
Guys line to much sports on TV
Guys forget if you care for your girl meet her half way
Its cuz they feel they already spend enough money on the once their in a relationship verses when their dating
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Why do you think so many guys stop trying to win over a girls heart when in a relationship?
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