Definitely not. Eddie and Venom have a complex, mutually beneficial partnership, but it's not a romantic relationship. It's based on mutual dependence for their own purposes rather than love.
In some cases, people might help older gay couples with their gardening. An older gay couple might have a beautiful garden but need some extra hands. A neighbor could come in and help with weeding, planting new flowers, and pruning bushes. This not only helps the couple but also strengthens the community bond.
It depends on the specific comic run and the creative direction taken. In some versions, they have a romantic relationship, while in others, they might just be close friends.