(1)Any court exercising jurisdiction under this Act may, at the time of passing any decree or at any time subsequent thereto, on application made to it for the purpose by either the wife or the husband, as the case may be, order that the respondent shall *** pay to the applicant for her or his maintenance and support such gross sum or such monthly or periodical sum for a term not exceeding the life of the applicant as, having regard to the respondent's own income and other property, if any, the income and other property of the applicant , the conduct of the parties and other circumstances of the case, it may seem to the court to be just, and any such payment may be secured, if necessary, by a charge on the immovable property of the respondent.
