You will have a definite second marriage but its better you go for a arranged marriage.
The comoing time starting April 2023 and untill end of 2024 is a good time when you can get married.
Your love marriage will be more stable if you are pursuing a inter caste relationship.
Weak connection of 5th and 7th house lord. Sun dasha on the onset, and Jupiter transit in the second house can favour second marriage. Mercury placement in 7th house strongly supports multiplicity in relationships.