You at least did him a service in the end when getting him to not invest in crypto, i would be more than happy to except a tip in sats.

nostr:nevent1qqs03a04jl558757cff4ecwvxr67h60t0ccg363ndfxysjpz2zfvy0qpz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qyg8wd6sn4w07t39x36hekx35lcq55e45qytu2rhz5c20fndftxmwwspsgqqqqqqsmzp7yq