Paddy and Una were an elderly pair who had both lost their partners. They began to see each other regularly and enjoyed each others company until finally, urged on by friends, they decided to consider marriage.
They discussed living arrangements, sharing of finances etc. then Paddy asked Una how she felt about sex.
"I like it, infrequently," she replied shyly.
Paddy thought a moment and asked, "Is that one word, or two?"