"If you find a girl that is willing to go through hell" suggests that the person in question is deeply committed and ready to face difficulties and hardships for the sake of maintaining the relationship. Just so she can keep the relationship going" highlights the extent of her devotion and determination to make the relationship work, even in challenging circumstances.
"You really shouldn't take her love for granted" serves as a reminder that such love and commitment are precious and should not be undervalued or taken lightly.
In essence, this quote underscores the significance of recognizing and cherishing the love and dedication of a partner who is willing to endure hardships for the sake of the relationship. It encourages us to show appreciation and reciprocate such devotion.