Advice 200k private student loans

Went to an expensive school. Im a BCBA. Have 187k in student loans. On top of this bought a house a couple months ago and have an upside down car. My private loans are 7.8% through sofi. Make $1,517 payments for 20 years. Did I screw myself? I make a little over 100k a year.

House 2k a month plus 300 how Car upside down 550 a month til 2030. Loans: 1517 a month 20 years