I would try adding a "peace of mind" option: a 10-year subscription for e.g. £25.
Another idea would be to somehow help me keep the important people on the service by paying for me and for them in one go, but I can't readily come up with something that sounds enticing.
Another idea would be to somehow help me keep the important people on the service by paying for me and for them in one go, but I can't readily come up with something that sounds enticing.