Answer:
the Oedipus complex
Step-by-step explanation:
The Oedipus complex is also referred to as 'Oedipal complex' is described as a term that was proposed by Sigmund Freud in the 'psychosexual stages of development theory'. It was an attempt made to understand a child's feelings of urges and desires towards his or her parent possessing opposite sex as that of him i.e, a boy's feelings of desires towards his mother and however, consisting anger and jealousy towards the same-sex parent i.e, a boy towards his father.
As per the question, Freud would suggest that Liam is experiencing the Oedipus complex.