Tomas is a toxic boyfriend who is inconsiderate, selfish, and manipulative. He often puts down and belittles his partner, making them feel inferior and unworthy. Tomas is prone to jealousy and irrational behavior, and has no regard for his partner's feelings or needs. Despite his many flaws and red flags, Tomas can also be charming and charismatic, making it difficult for his partner to recognize the toxic nature of their relationship. Ultimately, Tomas is driven by his own wants and desires.