Might try some some EO around around the house. They are known to have various effects; calming, stimulating, etc. depending on which oil is used. Amongs those effects is aphrodisic. You might check some of the treads in Parfum like Vanilla Essential Oil Extract.
PS Age should not be a problem in sex. If anything, most people figure out those things they used to think were so ‘wrong’ are really OK. Sex is 10% physical, 10%chemical,
and 90% mental.