When trying to understand someone's true feelings, it's important to be mindful of their actions and behavior. Here are some signs to observe if you suspect a woman may be either shy in expressing her feelings or trying to manipulate you:

1. Mixed signals: She might send conflicting messages, appearing interested at times and distant at others. This inconsistency could indicate uncertainty or an attempt to manipulate your emotions.

2. Lack of genuine effort: If she consistently shows minimal effort or interest in spending quality time together, this could be a sign that she's not fully invested in the relationship.

3. Minimal emotional connection: Notice if she keeps conversations surface-level or avoids discussing deeper emotions. This behavior may suggest she's not comfortable or willing to connect on a more intimate level.

4. Secretive behavior: If her actions feel secretive, she may be hiding something or keeping her options open with someone else. Look for signs of secretive phone use, evasiveness about her personal life, or unexpected changes in her behavior.

5. Lack of consistency: Pay attention to whether she consistently follows through on plans or dates. If she frequently cancels or reschedules last minute without a valid reason, it may indicate a lack of genuine interest.

To avoid jumping to conclusions, communication is key. If you suspect she may be shy, create a safe space for her to openly express her feelings. If you suspect manipulative behavior, have an honest conversation about your concerns and observe how she responds. Remember that trust is vital in any relationship, so it's important to have open and honest communication to address any doubts or uncertainties you may have.