Your chart does not support love marriage. Further Venus in the 7th house of marriage constitutes to a phenomenon called ‘Karako Bhava Nashaaya’. – A karaka (Venus, significator of marriage, in this case) sitting in the Bhava relating to the marriage i.e. 7th Bhava in this case, causes the destruction of the Bhava.
Other houses of your chart also indicate low happiness in marriage for you.