A month later the couple 'engaged to be faithful unto death'.

All seems well with the couple engaged to be married.

The couple could engage in more spontaneous activities because they didn't need a babysitter or to consult with someone else.

A couple of quick points: @murderball I -am- engaging with the criticism.

When a couple engaged to be married breaks up, it is typically called a "broken engagement."

The couple sometimes engaged in violent quarrels, but they stayed together for four years.

Another couple who were selecting for the long term also engaged in a lengthy search process.

It seemed for a couple engaged to be married, neither of them revealed a high degree of enthusiasm.

Often, teenage couples engage in sexual conduct as part of an intimate relationship.

The couple engaged in conversation, then, at the end of the evening, embraced.