Most relationships involve mutually shared usefulness in addition to a mutually shared pleasure or satisfaction in reciprocal acquaintance and association. When the usefulness of one's friend exceeds, for the other party, the pleasure or satisfaction of association, the relationship can become polluted into a more disingenuous situation of feigned appreciation portrayed to grease the skids of manipulated objectives.
Clearly the benefits of mutual usefulness are a worthwhile advantage of a healthy friendship that can strengthen the bonds that otherwise tie. There is nothing inherently wrong with mutual usefulness.
Lines of trust can become blurred when usefulness erodes the relationship into one of exploitation and insincerity. Previously healthy friendships can easily devolve into manipulative pursuits of utility value or other social objectives in the absence of forthright disclosures of competing values, motives, and interests.
...to a "funny valentine!" and the triumph of shy courage - Alice Fredenham
The greatest obstacle to the American dream for most Americans has been the blinding conceit and self serving public policies of the illegitimate controlling elite (ICE) and the notions of their own entitlement as stewards of a false "greater good".